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High stakes for Earth's climate future in US vote

  • Published at 08:16 am October 19th, 2020
Int'l- High stakes for Earth's climate future in US vote
File photo: Los Angeles County firefighters keep watch on the Bobcat Fire as it burns through the night in Juniper Hills, California, U.S. September 19, 2020Reuters

Scientists say the window of opportunity to contain Earth's warming is narrowing fast

The United States presidential election will be "make or break" for the planet after four years during which Donald Trump frustrated global efforts to slash emissions, climate experts warn, fearing his re-election may imperil the world's chances of avoiding catastrophic warming.

In a year dominated by the coronavirus pandemic, increasing signs of the brutal impacts of climate change have come into view, with record temperatures, sea ice loss and enormous wildfires scorching parts of the Arctic Circle, Amazon basin and the US itself.

Scientists say the window of opportunity to contain Earth's warming is narrowing fast.

This deadline magnifies the global significance of American voters' choice between Trump and his Democratic challenger Joe Biden to lead the world's second-largest emitter for the next four years.

Trump, who has described climate change as a hoax, has doubled down on support for polluting fossil fuels and revoked or rolled back a host of environmental standards. 

And just a day after the US vote on November 3, the country will formally withdraw from the Paris agreement, the international accord aimed at restraining emissions and averting runaway warming. 

Trump's signature act of climate disruption has "already diminished our moral standing, taking us from a leader to the rear of the pack," climate scientist Michael Mann told AFP. 

Without US climate leadership "I fear that the rest of the world will not take seriously enough their obligations to reduce emissions in time to avert the worst impacts of climate change," he said.

'Ultimate stress test'

Earth has so far warmed on average by 1°C above preindustrial levels, enough to boost the intensity of deadly heatwaves, droughts and tropical storms.

Climate change, driven by the greenhouse gases from burning fossil fuels, has accelerated in recent decades.

The 2015 Paris Agreement was meant to start putting the brakes on.

Under the deal, nations agreed to cap global warming at "well below" 2°C.

The US undertook to cut its emissions by 26-28% below 2005 levels by 2025. 

In 2016, Trump's election heralded the unravelling of those pledges, culminating in the vow to withdraw completely from the Paris deal. 

It was the nightmare scenario to lose the support of one of the world's biggest polluters that has emboldened other nations to slow-walk their climate commitments, analysts say.

But Mohamed Adow, the director of climate think tank Power Shift Africa, said Trump showed the accord was actually "much stronger than many of us feared."

In fact, with an end-of-year deadline to upgrade their commitment to curb greenhouse gas emissions, other major emitters have begun to fill the climate leadership void.

The European Commission now wants emissions in Europe cut 55% by 2030.

But it was China's recent vow to go carbon neutral by 2060 that has the potential to be a "game-changer", according to Lois Young, Belize's envoy to the UN, although she noted the plans unveiled by the world's largest emitter were still light on detail.

Young, who chairs the Association of Small Island States and has accused Trump of "ecocide," said countries like Brazil and India are "waiting and watching."

But the US is still crucial. 

Laurence Tubiana, who was a key architect of the Paris deal as France's top negotiator, said the rest of the world simply "cannot compensate" for the country's emissions.

While US states and businesses have independently acted to cut carbon, Tubiana predicted their efforts would fall short without new government policy.

In this context, she said a second Trump term would be "very bad news."

In contrast to Trump, Biden has pledged to return the US to the Paris accord.

He wants the US to achieve carbon neutrality by 2050 and has announced a $2-trillion climate change package to revamp the country's energy sector.

Increasingly, this position chimes with public opinion.

Some 60% of Americans think climate change was a major threat to US well-being, the Pew Research Centre said this year, the highest proportion since the first survey in 2009.

And taking into account the drop in emissions linked to Covid-19, the group Climate Action Tracker has estimated that the US could meet its 2025 Paris targets.

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