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Biden to pledge halving greenhouse gases by 2030, sources say

President Biden stands behind a lectern.
President Biden’s target of a 50% reduction in U.S. greenhouse emissions would nearly double the nation’s previous commitment
(Andrew Harnik / Associated Press)

President Biden will pledge to cut U.S. greenhouse gas emissions at least in half by 2030 as he convenes a virtual climate summit with 40 world leaders, according to three people with knowledge of the White House plans.

The 50% target would nearly double the nation’s previous commitment and help the Biden administration prod other countries for ambitious emissions cuts as well. The proposal would require dramatic changes in the power and transportation sectors, including significant increases in renewable energy such as wind and solar power and steep cuts in emissions from fossil fuels such as coal and oil.

The nonbinding but symbolically important pledge is a key element of the two-day summit, which begins Thursday as world leaders gather online to share strategies to combat climate change.

The emissions target has been eagerly awaited by all sides of the climate debate. It will signal how aggressively Biden wants to move on global warming, a divisive and expensive issue that has riled Republicans to complain about job-killing government overreach even as some on the left worry Biden has not gone far enough to address a profound threat to the planet.

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The three people who know about the White House plans spoke on condition of anonymity Tuesday because they were not authorized to discuss the pledge ahead of Biden’s announcement.

Biden has sought to ensure that the 2030 goal, known as a nationally determined contribution, is aggressive enough to have a tangible impact on climate change efforts — not only in the U.S. but also throughout the world — while being achievable under a closely divided Congress.

Solar panels, wind turbines and electric cars are not enough to beat climate change. California is also looking at giant carbon-sucking vacuums.

The climate target is a key requirement of the 2015 Paris climate agreement, which Biden rejoined on his first day in office. It’s also an important marker as Biden moves toward his ultimate goal of net-zero carbon emissions by 2050.

Scientists, environmental groups and even business leaders had called on Biden to set a target that would cut U.S. greenhouse gas emissions by at least 50% below 2005 levels by 2030.

“Wow. That’s ambition with a capital A,” Georgia Tech climate scientist Kim Cobb said Tuesday after learning of Biden’s plans. “That target would put us roughly in line with the most ambitious emissions reductions targets” projected by scientists and environmentalists.

Cobb, like other experts, said details of Biden’s strategy will be crucial, “because those details will likely determine whether this ambitious new goal can be translated into policy. The clock is ticking fast, environmentally and politically.”

Pennsylvania State University climate scientist Michael Mann said the 50% goal “is precisely what is needed ... an actionable goal within the next decade that puts us on the path toward limiting warming below a catastrophic 1.5 degrees Celsius” globally.

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The climate summit that Biden is hosting is among his first international actions since the United States officially returned to the Paris accord. The U.S. withdrawal from the global pact under former President Trump was part of Trump’s effort to step away from global allegiances in general and his oft-stated but false view that global warming was a hoax or at least an overstated claim by the world’s scientists.

Biden, by contrast, has made action on climate change a centerpiece of his presidency. He has also paused new oil and gas drilling on federal lands and proposed a $2.3-trillion infrastructure plan that would remake the U.S. power grid and add 500,000 charging stations for electric vehicles, among other actions intended to sharply cut fossil fuel pollution that contributes to global warming.

Former Secretary of State John F. Kerry, Biden’s top climate envoy, has been pressing global leaders, including his counterpart in China, for commitments and alliances on climate efforts.

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Sen. Edward J. Markey (D-Mass.), who reintroduced the Green New Deal on Tuesday with Rep. Alexandria Ocasio-Cortez (D-N.Y.), said the 50% target was appropriate to meet the scope and scale of the climate crisis.

“The United States must be an undeniable global leader in climate action,” Markey said Tuesday. “We cannot preach temperance from a bar stool and not pay our fair share when approximately 40% of all the excess carbon dioxide in the atmosphere is red, white and blue.”

A 50% reduction by 2030 is “technically feasible and well within our reach,” Markey added. “We can and should fight to pass legislation and deploy funding that will allow us to exceed that target.”

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Sen. John Barrasso (R-Wyo.), the top Republican on the Senate Energy Committee, said Biden’s pledge would set “punishing targets” for the U.S. even as adversaries such as China and Russia “continue to increase emissions at will. The last thing the economy needs is higher energy prices and fewer jobs, but that’s exactly what we’re going to get.”

Like those of other nations, the U.S. goal includes methane and some hydrofluorocarbon gases that trap more heat but don’t last as long as carbon dioxide.

The 50% pledge was first reported by the Washington Post.


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