Trump pulls US out of Paris deal: What it would mean

Pulling the United States out of the Paris climate deal would have unforeseen consequences for President Trump, his international agenda and U.S. climate policy.

It would leave the world’s superpower outside an accord meant to reduce greenhouse gas emissions that includes nearly every other country in the world, aside from Syria and Nicaragua.

While it is not entirely clear that Trump has made up his mind to end U.S. participation in the deal, sources say that at a minimum, he is leaning in that direction.Here’s how to interpret and understand the decision.

Trump is playing to the base

Trump has called the pact a “bad deal” for the United States, and made withdrawing from it a key component of his “America First” campaign platform.

At an April rally, he called the agreement “one-sided,” and said “the United States pays billions of dollars while China, Russia and India have contributed and will contribute nothing.”

Given his past statements and promises, it isn’t hard to see why Trump would want to pull the United States out of the deal.

Yet the decision has provoked a furious internal battle within the White House, pitting Trump’s family members Ivanka Trump and Jared Kushner against adviser Steve Bannon and EPA administrator Steve Pruitt.

Pulling the United States out of the deal means Trump is siding with Bannon and his base over the objections of centrists in his government — and the business community.

Exxon Mobil Corp. and many large American businesses urged Trump to stay in the deal, arguing it would maintain U.S. influence over future talks.

“By remaining a party to the Pars agreement, the United States will maintain a seat at the negotiating table to ensure a level playing field so that all energy sources and technologies are treated equitably in an open, transparent and competitive global market,”

Exxon CEO Darren Woods wrote in a May 9 letter to Trump.

By pulling out of the Paris accord, Trump would be signaling he’s willing to take on supporters of the deal who are usually his allies — in order to back his core base of supporters.

Many Republicans on Capitol Hill are likely to support pulling out of Paris — 20 leading Senate Republicans, including Majority Leader Mitch McConnell (R-Ky.) asked Trump to do just that last week.

Withdrawing from Paris would greatly please conservative groups, who have orchestrated an all-out push in opposition to the pact.

On climate change: ‘Do something, do anything, just don’t do nothing’

http://www.hcn.org/articles/a-lesson-of-hope-for-climate-action?utm_source=wcn1&utm_medium=email


My first thought, on entering the hall, was, “Wow, she doesn’t look like an endowed-chair environmental law professor.” This was back in the fall of 2006, when I went to hear Mary Christina Wood speak. She was about my age, with long chestnut hair, a warm expression, and no makeup. I’ve since marveled that I was even there that night. I live in a college town, and good talks are not unusual. But I had a young daughter at the time, and this may have been the only evening lecture I attended that entire year.

Wood, also the mother of young children, was eloquent. She understood in a way I was just starting to grasp that climate change, if left unchecked, would soon threaten the health, safety and life support systems of our own kids, as well as that of future generations and everything else in the natural world. I left the lecture hall deeply shaken.

“Climate change, if left unchecked, would soon threaten the health, safety and life support systems of our own kids.”

Three things I remember clearly: First, I was impressed with her moral clarity. Second, in an answer to a question about what to do about the approaching climate crisis, she said, “Do something, do anything, just don’t do nothing.” And third, I remember that I lay awake that night, fearing for my daughter’s future.

In an effort to compel the government to protect the climate on behalf of present and future generations, Wood was developing a legal theory based on the “public trust doctrine.” I had heard of this doctrine when I worked on water issues in national parks. But I don’t believe anyone had tried to apply it to the earth’s atmosphere before.

The basic idea is that the government has a responsibility to protect vital natural resources for the benefit of all. By allowing polluters to destroy a stable climate, the government is failing to do its duty, and the courts can compel the government to act. It seemed like an elegant argument.

At that moment, I was contemplating a career change, from conservation biologist to environmental writer. I contacted Wood, interviewed her and wrote one of my first stories, “Climate Revolutionary: Creating a legal framework for saving our planet,” which was published in High Country News on May 12, 2008. I have no doubt that encountering Mary Wood helped inspire me to become a climate writer and, in time, a climate activist.

Meanwhile, Wood wrote a book, Nature’s Trust: Environmental Law for a New Ecological Age, developing her legal theory. Her work provides the theoretical foundation for the global litigation approach advanced by an organization called “Our Children’s Trust.” It works with youth across the country and around the world to bring legal action to compel governments to reduce greenhouse gas pollution and stabilize the climate system.

Just two days after this year’s election, a group of 21 young Americans won the right in federal court in Eugene, Oregon, to sue the fossil-fuel industry and the U.S. government based on Wood’s approach. According to U.S. District Judge Ann Aiken, these young people have the right to seek the protection of the climate on behalf of all youth and future generations. Similar lawsuits are being brought in other states and countries as well.

As for me, one thing led to another. Replaying Wood’s words, “Do something, do anything, just don’t do nothing,” started a shift in my heart and my head. I began learning and writing more about climate change. In time, this led me to writing a book about responding to climate change and becoming a volunteer climate activist. Today, I spend a large portion of my time lobbying for a carbon fee and dividend law to reduce greenhouse gas emissions.

So this is a story about how a lucky meeting changed my life. It is also a story about how one woman — an extraordinary environmental law professor — has influenced the world. This doesn’t take into account all the other ways she may have changed lives. So this is really a lesson about hope.

The only lesson I learned from Donald Trump’s election is that we cannot ever know the future. All the professional pundits predicted he would lose, and many of us believed them. I think I finally understand that there is absolutely no way to know what will happen tomorrow or next week or next year.

But it is possible to look back and see the small choices that mattered, to realize you never know where they may lead. So my advice is to do something, do anything, just don’t do nothing. This is the only way to plant seeds that might — just might — grow into progress toward a world in which our children can survive and thrive.

Great Barrier Reef at ‘terminal stage’: scientists despair at latest coral bleaching data

https://www.theguardian.com/environment/2017/apr/10/great-barrier-reef-terminal-stage-australia-scientists-despair-latest-coral-bleaching-data?
Last year was bad enough, this is a disaster,’ says one expert as Australia Research Council finds fresh damage across 8,000km

Back-to-back severe bleaching events have affected two-thirds of Australia’s Great Barrier Reef, new aerial surveys have found.

The findings have caused alarm among scientists, who say the proximity of the 2016 and 2017 bleaching events is unprecedented for the reef, and will give damaged coral little chance to recover.

Scientists with the Australian Research Council’s Centre of Excellence for CoralReef Studies last week completed aerial surveys of the world’s largest living structure, scoring bleaching at 800 individual coral reefs across 8,000km.

The results show the two consecutive mass bleaching events have affected a 1,500km stretch, leaving only the reef’s southern third unscathed.

Where last year’s bleaching was concentrated in the reef’s northern third, the 2017 event spread further south, and was most intense in the middle section of the Great Barrier Reef. This year’s mass bleaching, second in severity only to 2016, has occurred even in the absence of an El Niño event.

https://interactive.guim.co.uk/embed/aus/2017/apr/gbr-bleaching/bleach-16-17/

Mass bleaching – a phenomenon caused by global warming-induced rises to sea surface temperatures – has occurred on the reef four times in recorded history.

Prof Terry Hughes, who led the surveys, said the length of time coral needed to recover – about 10 years for fast-growing types – raised serious concerns about the increasing frequency of mass bleaching events.

“The significance of bleaching this year is that it’s back to back, so there’s been zero time for recovery,” Hughes told the Guardian. “It’s too early yet to tell what the full death toll will be from this year’s bleaching, but clearly it will extend 500km south of last year’s bleaching.”

A reef from the air
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Aerial surveys of the world’s largest living structure, scoring bleaching at 800 individual coral reefs across 8,000km. Photograph: Ed Roberts/ARC

Last year, in the worst-affected areas to the reef’s north, roughly two-thirds of shallow-water corals were lost.

Hughes has warned Australia now faces a closing window to save the reef by taking decisive action on climate change.

The 2017 bleaching is likely to be compounded by other stresses on the reef, including the destructive crown-of-thorns starfish and poor water quality. The category-four tropical cyclone Debbie came too late and too far south for its cooling effect to alleviate bleaching.

https://interactive.guim.co.uk/embed/aus/2017/apr/gbr-bleaching/gbr-coverage

But Hughes said its slow movement across the reef was likely to have caused destruction to coral along a path up to 100km wide. “It added to the woes of the bleaching. It came too late to stop the bleaching, and it came to the wrong place,” he said.

The University of Technology Sydney’s lead reef researcher, marine biologist David Suggett, said that to properly recover, affected reefs needed to be connected to those left untouched by bleaching.

He said Hughes’ survey results showed such connectivity was in jeopardy. “It’s that connection ultimately that will drive the rate and extent of recovery,” Suggett said. “So if bleaching events are moving around the [Great Barrier Reef] system on an annual basis, it does really undermine any potential resilience through connectivity between neighbouring reefs.”

Some reef scientists are now becoming despondent. Water quality expert, Jon Brodie, told the Guardian the reef was now in a “terminal stage”. Brodie has devoted much of his life to improving water quality on the reef, one of a suite of measures used to stop bleaching.

The reef from the air
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ARC conducted an aerial and underwater survey of the reef which concluded that two-thirds of it has been hit by mass coral bleaching for second time in 12 months. Photograph: Ed Roberts/ARC

He said measures to improve water quality, which were a central tenet of the Australian government’s rescue effort, were failing.

“We’ve given up. It’s been my life managing water quality, we’ve failed,” Brodie said. “Even though we’ve spent a lot of money, we’ve had no success.”

Brodie used strong language to describe the threats to the reef in 2017. He said the compounding effect of back-to-back bleaching, Cyclone Debbie, and run-off from nearby catchments should not be understated.

“Last year was bad enough, this year is a disaster year,” Brodie said. “The federal government is doing nothing really, and the current programs, the water quality management is having very limited success. It’s unsuccessful.”

Bleached coral at Mission Beach Reefs
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Bleached coral at Mission Beach Reefs. Photograph: Bette Willis/ARC Centre of Excellence for Coral Reef Studies

Others remain optimistic, out of necessity. Jon Day was a director of the Great Barrier Reef Marine Park Authority for 16 years until retiring in 2014.

Day, whose expertise lies in protected area planning and management, said the federal government’s approach to protecting the reef was sorely lacking. He said it was taking too relaxed an approach to fishing, run-off and pollution from farming, and the dumping of maintenance dredge spoil.

The government was far short of the $8.2bn investment needed to meet water quality targets, he said, and Australia was on track to fail its short-term 2018 water quality targets, let alone achieve more ambitious long-term goals.

“You’ve got to be optimistic, I think we have to be,” Day said. “But every moment we waste, and every dollar we waste, isn’t helping the issue. We’ve been denying it for so long, and now we’re starting to accept it. But we’re spending insufficient amounts addressing the problem.”

A diver over bleached coral at Orpheus Island
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A diver over bleached coral at Orpheus Island. Photograph: Greg Torda/ARC Centre of Excellence for Coral Reef Studies

The Queensland tourism industry raised questions about the reliability of the survey, saying scientists had previously made exaggerated claims about mortality rates and bleaching.

https://interactive.guim.co.uk/charts/embed/apr/2017-04-09T01:14:30/embed.html

“There is no doubt that we have had a significant bleaching event off Cairns this time around,” said Col McKenzie, of the Association of Marine Park Tourism Operators.

“The far north probably did a little bit better, Port Douglas to Townsille has seen some significant bleaching,” he said. “Fortunately we haven’t seen much mortality at this time, and fortunately the temperatures have fallen.”

McKenzie said more money needed to be invested in water quality measures, and criticised what he saw as a piecemeal and uncoordinated approach to water quality projects up and down the coast.

A Brain-Invading Parasite Is Believed to Be Spreading Because of Humans

http://gizmodo.com/a-brain-invading-parasite-is-believed-to-be-spreading-b-1794144135

Snails are a known carrier of rat lungworm disease Photo: Getty

Health officials in Hawaii have been warning residents not to touch snails or slugs with their bare hands because of an increase in cases of people coming into contact with a rare parasitic infection known as a rat lungworm. Experts are blaming its sudden spread across the United States on climate change and globalization.

In the last two decades, there have only been two documented cases of rat lungworm infections in Hawaii. But in the past three months, six more cases have occurred in rapid succession. Other states where it has recently popped up include California, Alabama, Louisiana and Florida. According to the Atlantic, the first known case of the disease occurred in Taiwan in 1944 but in the past few years, it’s believed to have spread to the U.S. by way of rats in cargo ships.

Pretty much everything about this disease is nasty. Rat lungworm is a parasitic nematode (Angiostrongylus cantonensis) that begins its life as an infection in rat’s lungs, blood, and brains. From there, the rats defecate worm larvae that are spread to other creatures like snails, slugs, and freshwater shrimp. Humans might eat one of these infected hosts or they might eat produce that has had the worm transferred to it by a host. Next thing you know, your brain is being invaded and it doesn’t sound good at all. Once rat lungworm disease moves into the brain it can cause meningitis and its symptoms include tremors, pain, and inflammation. It is often fatal.

The Maui News reported on the recent cases this week and spoke with local residents about the spread of the invasive semi-slug on the island, and the infectious disease that it carries. Locals say that they’ve become increasingly paranoid about eating produce and they line their yards with slug bait. And for an area that thrives on tourism, paranoia about eating the local food can be an economic nightmare.

A local preschool teacher described her experience with parasitic meningitis that was a result of rat lungworm to the Honolulu Civil Beat:

The parasites are in the lining of my brain, moving around. Because I work with children I try to tell stories through word pictures. My visual graphic for what’s happening is that every once in a while somebody opens the top of my head, sets a hot iron inside my brain, then pushes the steam button.

I have a half dozen medicine bottles, several for pain because any movement of my head spikes my pain level to 12. I don’t see any improvement, just that every day is a different day, different pain.

The severity of the disease can vary wildly, there’s no known treatment, and it’s notoriously difficult to diagnose.

Cases of rat lungworm infections have been documented in over 30 countries and health officials are worried about its appearance in areas where previously the habitat was believed to be unsuitable. One recent surprise location was in Oklahoma. Scientists fear that this is just another consequence of climate change. A 2004 World Health Organization report warned that “most new infections seem to be caused by pathogens already present in the environment, which have been brought out of obscurity, or given selective advantage, by changing ecological or social conditions.”

Infectious disease researchers say that some low-income areas of the globe are perfectly situated as transmission zones for tropical diseases that are on the rise. The fear is that these countries are the least prepared to deal with an outbreak. But that doesn’t mean that they aren’t worried about wealthy countries like the United States. We have our own problems because our leaders constantly refuse to acknowledge the threats that come along with climate change. The current head of the Environmental Protection Agency doesn’t believe in climate change and has vowed to destroy environmental regulations. The current budget proposal is hoping to cut the EPA’s funding by 31 percent by focusing on killing climate change programs. And just yesterday, it came to light that the agency was eliminating its climate adaptation program which helps states and localities adjust to the changes that are already occurring their areas. Unfortunately, these fools don’t appear to have a brain parasite, they simply don’t give a shit.

[The Atlantic, The Maui News, Honolulu Civil Beat, Ars Technica]

Trump’s big new executive order to tear up Obama’s climate policies, explained

Vicious cycle ties warmer cow food to higher methane emissions

March 30, 2017

As major exponents of greenhouse gases that warm the Earth, what cows consume is increasingly gaining attention from scientists trying to apply the brakes to global methane emissions. The latest promising discovery in this area comes from an international team of researchers, who have found that livestock plant food grown in warmer climates leads to higher methane releases, and could potentially be inhibiting milk and meat production at the same time.

Methane emitted by cows, or from any source for that matter, is a problem because it is 25 times more potent than carbon dioxide as a greenhouse gas, due to its superior heat-trapping abilities. Meanwhile, global meat production is on the rise, from 71 million tons in 1961 to 318 million tons in 2014.

So scientists have been looking at the effects of livestock diets, and how they might be tweaked to reduce the amount of methane produced by the world’s growing bovine population. Last year, Australian scientists identified a strain of seaweed that can reduce methane emissions by 99 percent, while earlier this year another research team discovered that feeding cows tropical leaves in addition to regular food could cause also cause sharp decline.

The latest research doesn’t unearth new dietary supplements, rather it reveals an already existing culprit. Scientists from Royal Botanic Gardens, Kew, Scotland’s Rural College, and the Senckenberg Biodiversity and Climate Research Centre in Frankfurt studied published data on forage quality, and found that nutritional value of grass was reduced at higher temperatures.

This is turn makes it harder for grazing livestock to digest the plants, and the scientists say there are a few reasons that might be. The extra heat causes plants to adapt and they may flower earlier, produce thicker leaves or possibly allow tougher invasive plants to spread into new areas and replace more nutritious species. With the plants tougher to digest, they spend longer inside the animal and produce more gas, and the scientists say this is setting in motion a vicious cycle.

“The vicious cycle we are seeing now is that ruminant livestock such as cattle produce methane which warms our planet,” says Dr. Mark Lee, a research fellow at Royal Botanic Gardens, Kew. “This warmer environment alters plants so they are tougher to digest, and so each mouthful spends more time in the animals’ stomach, producing more methane, further warming the planet, and the cycle continues. We need to make changes to livestock diets to make them more environmentally sustainable.”

With an eye to the future, the scientists used published empirical models to estimate how changes to the climate will impact global methane production. They found that methane production increased by 0.9 percent with a 1 °C temperature rise (1.8 °F), and by 4.5 percent with a 5 °C rise (9 °F). They expect this to be a worldwide trend, but did identify hotspots in North America, Central/Eastern Europe and Asia, places where livestock farming is increasing and climate change is expected to hit hardest.

“Now is the time to act, because the demand for meat-rich diets is increasing around the world,” says Lee. “Our research has shown that cultivating more nutritious plants may help us to combat the challenges of warmer temperatures.”

The research paper was published in the journal Biogeosciences.

Trump wants to make avian flu great again

 http://www.dailykos.com/story/2017/3/30/1648493/-Trump-wants-to-make-avian-flu-great-again

It’s at least a little bit weird how focused Team Trump is on defunding, specifically, the nooks and crannies of the federal government meant to stave off disasters.

First, President Donald Trump and Speaker of the House Paul Ryan pushed a health care plan that would have slashed funding to the Centers for Disease Control and Prevention, the federal agency that tracks farm flu outbreaks and works with the US Department of Agriculture and local authorities to “minimize any human health risk” they cause.That effort collapsed, but now Trump is taking a more direct whack at flu-tracking funding.

The new effort? A $1 billion cut to the Department of Agriculture, plus revoking most of the remaining budget from the 2015 funding to combat that year’s disastrous bird flu epidemic. They plan to use that $50 million, like all their other petty cuts to decent programs, to supersize the military and, we’ll assume, give some specific billionaire yet another tax cut.

Back here in 2017, however, a new avian flu strain is popping back up in multiplestates. It’s too soon to say if it will become a full-on epidemic, but it is a handy reminder that we will undoubtably be spending more money on avian flu, not less.

And the government spends money on these things because not only do they want to avoid a repeat of 2015, when 48 million birds had to be culled from American producers, but because avian flu needs only slight mutations to spread to humans, and we want to avoid a human pandemic.

What’s the Trump-Ryan solution?

Claw back the money meant for those outbreaks, and cut the Department of Agriculture budget by $1 billion dollars, and defund the Affordable Care Act’s Prevention and Public Health Fund, shrinking the CDC’s budget by 12 percent, and cut a whopping $5.8 billion from the National Institutes of Health, just to make good and sure new diseases get a sporting head start on us.

Maybe Trump isn’t a Russian puppet after all. Maybe he’s a big ol’ virus in a suit, and he’s got a plan to Make America Great Again that only involves the rest of us as host organisms

Al Gore Releases ‘An Inconvenient Sequel’ Trailer Same Day Trump Rolls Back Climate Change Agenda

https://townhall.com/tipsheet/cortneyobrien/2017/03/30/al-gore-releases-an-inconvenient-sequel-year-after-first-film-said-earth-would-be-gone-in-10-years-n2306157

|Mar 30, 2017
Al Gore Releases 'An Inconvenient Sequel' Trailer Same Day Trump Rolls Back Climate Change Agenda

Former presidential candidate and environmentalist Al Gore’s documentary “An Inconvenient Truth” predicted doom for our world back in 2006. If we humans didn’t stop polluting, global warming would threaten our environment. He teased a follow up to the film back in April and on Tuesday Gore released the trailer for “An Inconvenient Sequel: Truth to Power.”

The sequel largely seems to star President Trump. In the trailer, Gore is seen praising global environmental regulations like those adopted at the Paris Climate Accords, but the scene turns dark when his words are contrasted with Trump’s campaign pledges to upend the Paris deal and abolish the Environmental Protection Agency.

“The Five’s” Greg Gutfeld offered an insightful film review on Wednesday, suggesting that “Truth to Power” was lacking on the truth part.

“You know who proved Al Gore wrong?” Gutfeld asked. “Al Gore.”

As Gutfeld explained, “An Inconvenient Truth” gave a doomsday timeline, predicting in 2006 that Earth would be destroyed in 10 years. Eleven years later, Gore released the sequel.

In the documentary, however, Gore insists that other predictions in the original were spot-on. For instance, critics accused him of exaggerating that the 9/11 Memorial site in New York City would one day be flooded. When Hurricane Sandy arrived, that prediction came true, he said, showing footage of the waters reaching the memorial.

The activist urged his fellow Americans to take care of their surroundings.

“Don’t let anybody tell you we’re going to get on rocket ships and live on Mars,” Gore says in the trailer. “This is our home.”

Interestingly, Gore’s documentary sequel was released just hours after President Trump signed an executive order to dismantle his successor’s climate change agenda.

 

A vicious cycle of climate change, cattle diet and rising methane has been revealed in a new scientific study: as temperatures rise, forage plants get tougher and harder to digest, and cause more methane to be produced in bovine stomachs. And with cattle numbers rising and methane 85 times more powerful a greenhouse gas over 20 years, that spells trouble.

This warmer environment alters plants so they are tougher to digest, and so each mouthful spends more time in the animals’ stomach, producing more methane, further warming the planet, and the cycle continues.

Plants growing in warmer conditions are tougher and have lower nutritional value to grazing livestock, inhibiting milk and meat yields and raising the amount of methane released by the animals.

That’s because more methane is produced when plants are tougher to digest – an effect of a warmer environment.

Methane is a potent greenhouse gas, around 25 times better at trapping heat than carbon dioxide over a century, and 85 times stronger over 20 years.

More than 95% of the methane produced by cows comes from their breath through eructation (belching) as they chew the cud.

The findings come in a published a paper today in the journal Biogeosciences by scientists at the Royal Botanic Gardens, Kew, Scotland’s Rural College (SRUC) and the Senckenberg Biodiversity and Climate Research Centre, Frankfurt.

The key finding is a near doubling of ruminant emissions of methane: “Upscaling the GHG footprint of the current livestock inventory to the 2050 projected inventory increases annual GHG emissions from enteric sources from 2.8 to 4.7 GT CO2eq.”

Dr Mark Lee, a research fellow at the Royal Botanic Gardens, Kew who led the research says; “The vicious cycle we are seeing now is that ruminant livestock such as cattle produce methane which warms our planet.

“This warmer environment alters plants so they are tougher to digest, and so each mouthful spends more time in the animals’ stomach, producing more methane, further warming the planet, and the cycle continues. We need to make changes to livestock diets to make them more environmentally sustainable.”

Harsher climate makes tougher plants

There are several reasons why rising temperatures may make plants tougher for grazing livestock to digest. Plants have adaptations to prevent heat damage, they can flower earlier, have thicker leaves or in some cases, tougher plants can invade into new areas replacing more nutritious species – all of which makes grazing more difficult.

This is a pressing concern, because climate change is likely to make plants tougher for grazing cattle, increasing the amount of methane that the animals breathe out into the atmosphere.

The researchers mapped the regions where methane produced by cattle will increase to the greatest extent as the result of reductions in plant nutritional quality. Methane production is generally expected to increase all around the world, with hotspots identified in North America, Central and Eastern Europe, and Asia, where the effects of climate change may be the most severe.

Many of these regions are where livestock farming is growing most rapidly. For example, meat production has increased annually by around 3.4% across Asia, compared with a more modest 1% increase across Europe.

The calculations, write the scientists, “suggested a previously undescribed positive climate change feedback, where elevated temperatures reduce grass nutritive value and correspondingly may increase methane production by 0.9% with a 1C temperature rise and 4.5% with a 5C rise (model average), thus creating an additional climate forcing effect.

“Future methane production increases are expected to be largest in parts of North America, central and eastern Europe and Asia, with the geographical extent of hotspots increasing under a high emissions scenario.”

Act now to limit the damage!

Global meat production has increased rapidly in recent years to meet demand, from 71 million tonnes in 1961 to 318 million tonnes in 2014, a 78% increase in 53 years (FAOSTAT, 2016). Grazing lands have expanded to support this production, particularly across Asia and South America, and now cover 35 million km2; 30% of the Earth’s ice-free surface.

However, livestock are valuable. They are worth in excess of $1.4 trillion to the global economy and livestock farming sustains or employs 1.3 billion people around the world (Thornton, 2010). The upward trend in livestock production and associated GHG emissions are projected to continue in the future and global stocks of cattle, goats and sheep are expected to reach 6.3 billion by 2050 (Steinfeld et al. 2006).

If these rises are to continue then the researchers say it will be necessary to limit the growth of livestock farming in the most rapidly warming regions, and, to avoid significant losses in livestock production efficiency and increases in methane emissions. Other measures, including eating less meat and farming more sustainably, are also essential:

“A global switch in human diets and a transition to more sustainable agricultural practices, as well as a greater prevalence of organic and silvopastoral farming, may reduce our reliance on intensively farmed cattle and other ruminants.

“In countries with high or increasing meat consumption, these measures could reduce the environmental impacts of agriculture and contribute to GHG emissions cuts with an associated improvement in human health.”

And the authors emphasise that we need to start implementing policy measures as soon as possible. “Now is the time to act,” said Dr Lee, “because the demand for meat-rich diets is increasing around the world. Our research has shown that cultivating more nutritious plants may help us to combat the challenges of warmer temperatures.

We are undertaking work at Kew to identify the native forage plants that are associated with high meat and milk production and less methane, attempting to increase their presence on the grazing landscape. We are also developing our models to identify regions where livestock are going to be exposed to reductions in forage quality with greater precision.

It is going to be important to put plans in place to help those countries exposed to the most severe challenges from climate change to adapt to a changing world.”

 

Oliver Tickell is contributing editor at The Ecologist.

 

What Trump’s executive order on climate change means for the world

http://www.cnn.com/2017/03/28/world/trump-climate-order-world-impact/

A woman wearing a mask on a heavily polluted day in Beijing.

(CNN)Less than a week after the failed attempt to repeal Obamacare, President Trump will sign an executive order that could spell the end of Obama-era environmental policy.

The order will curb the enforcement of a number of climate regulations, in an effort, the Trump administration says, to prioritize American jobs above addressing climate change.

What effects will it have?

According to Mark Lynas, a British author, journalist and environmental activist who focuses on climate change, the order “is intended to make coal competitive again in the US economy, by refossilizing the US power sector and demonstrably increasing carbon emissions.”
“This is politically symbolic, as it will show that the Obama legacy on climate can be deleted,” he added.
A plume of exhaust extends from the Mitchell Power Station, a coal-fired power plant located 20 miles southwest of Pittsburgh in 2013.

The order will, among other things, rescind the moratorium on coal mining on US federal lands and initiate a review of the Clean Power Plant initiative: “Without it, the country will be lacking a very important signal in decarbonizing a sector which emits a lot,” said Ajay Gambhir, a Policy Research Fellow at the Grantham Institute for Climate Change and the Environment, Imperial College London.
It will also weaken a number of environmental protection policies that are not strictly related to climate change, but to such things as protecting the waterways: “By removing economy-harming regulations, the door will be left open for health-harming regulations,” said Gambhir.

What does it mean for the world?

While the order focuses on domestic policies, it will likely signal a shift in the US’s global approach to climate change.
“The rest of the world will be asked to cover for the US falling behind,” said Lynas.
“It’s extremely concerning and I can only hope that the people’s response to Trump’s order will be sufficient to reverse it.”
But some experts retain an optimistic view, arguing that the momentum towards renewable energy is unstoppable: “The damage this administration can do might be less then most people think: of course it will slow things down, and that’s the last thing we need, but business leaders are smart enough to understand that they must invest in renewable energy,” said Karsten Haustein, a climate systems and policy researcher at the University of Oxford.
The order could have implications around the world.

“It might send a bad signal to some countries which may loosen their efforts seeing that the US isn’t decarbonizing, but I expect most to carry on with the plans they have been developing for some time — as innovation and cost reduction continue they will find it easier and less costly to reduce their emissions,” said Gambhir.
The effects may therefore be more ideological than practical: “The most harmful way this administration can act is by undermining people’s trust in science and scientific evidence, by putting climate change deniers in positions of power. As a scientist I’m worried about what that means for my colleagues in the US,” said Haustein.

Who will lead the charge now?

If the US will be perceived to step down from its role in combating climate change, will this create a leadership vacuum?
According to Lynas, the big question is what attitude China will adopt.
Obama's Energy Secretary on Trump's climate plans

Obama’s Energy Secretary on Trump’s climate plans 01:22
“As the world’s largest emitter, if China continues to fulfill the deal that was made with Obama all is not lost, but if it seizes the opportunity to abandon the Paris agreement, then we really face an extreme and terrifying future.”
Europe is unlikely to step into the driving seat, says Haustein: “Unfortunately Europe is muddled up with other political issue like Brexit, and the UK is unlikely to do anything about this in the next two years.This move will destabilize the political world to some degree. Perhaps Canada?”
But we might not have lost a leader after all, according to Gambhir: “In the run up to the Copenhagen talks in 2009 there was a degree of leadership from the EU, with China and the US falling behind. These two gave strong signals in the run up to Paris in 2015, but there was no sign of the US being an unequivocally global leader,” he said.
“There’s no need for one specific region to lead, but a requirement that many regions act multilaterally.”