WASHINGTON (AP) \u2014 As President Joe Biden convenes a virtual climate summit on Thursday with 40 world leaders, he faces a vexing task: how to put forward a nonbinding but symbolic goal to reduce greenhouse gas emissions that will have a tangible impact on\u00a0climate change\u00a0efforts not only in the U.S. but throughout the world.<\/p>\n\n\n\n
The emissions target, eagerly awaited by all sides of the climate debate, will signal how aggressively Biden wants to move on climate change, 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.<\/p>\n\n\n\n
The climate crisis poses a complex political challenge for Biden, since the problem is harder to see and far more difficult to produce measurable results on than either the\u00a0coronavirus pandemic relief package\u00a0or the\u00a0infrastructure bill.<\/p>\n\n\n\n
The target Biden chooses \u201cis setting the tone for the level of ambition and the pace of emission reductions over the next decade,\u2033 said Kate Larsen, a former White House adviser who helped develop President Barack Obama\u2019s climate action plan.<\/p>\n\n\n\n
The number has to be achievable by 2030 but aggressive enough to satisfy scientists and advocates who call the coming decade a crucial, make-or-break moment for slowing climate change, Larsen and other experts said.<\/p>\n\n\n\n
Scientists, environmental groups and even business leaders are calling on Biden to set a target that would cut U.S. greenhouse gas emissions by at least 50% below 2005 levels by 2030.<\/p>\n\n\n\n
The 50% target, which most experts consider a likely outcome of intense deliberations underway at the White House, would nearly double the nation\u2019s previous commitment and 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.<\/p>\n\n\n\n
Anything short of that goal could undermine Biden\u2019s promise to prevent temperatures from rising more than 1.5 degrees Celsius, experts say, while likely stirring up sharp criticism from international allies and Biden\u2019s own supporters<\/p>\n\n\n\n
The target is significant, not just as a visible goal for the U.S. to achieve after four years of climate inaction under President Donald Trump, but also for \u201cleveraging other countries,\u2033 Larsen said. \u201cThat helps domestically in the battle that comes after, which is implementing policies to achieve that target. We can make a better case politically at home if other countries are acting at the same level of ambition as the U.S.\u2033<\/p>\n\n\n\n
The 2030 goal, known as a Nationally Determined Contribution, or NDC, is a key part of the Paris climate agreement, which Biden rejoined on his first day in office. It\u2019s also an important marker as Biden moves toward his ultimate goal of net-zero carbon emissions by 2050.<\/p>\n\n\n\n
\u201cClearly the science demands at least 50%\u201d in reduced greenhouse gas emissions by 2030, said Jake Schmidt, a climate expert at the Natural Resources Defense Council, a leading environmental group.<\/p>\n\n\n\n
The 50% target \u201cis ambitious, but it is achievable,\u2033 he said in an interview. It\u2019s also a good climate message, he said: \u201cPeople know what 50% means \u2014 it\u2019s half.\u2033<\/p>\n\n\n\n
Whatever target Biden picks, the climate summit itself \u201cproves the U.S. is back in rejoining the international effort\u2033 to address climate change, said Larsen, now a director at the Rhodium Group, an independent research firm.<\/p>\n\n\n\n
The summit is \u201cthe starting gun for climate diplomacy\u201d after a four-year \u201chiatus\u201d under Trump, she said. John Kerry, Biden\u2019s climate envoy, has been pressing global leaders in person and online ahead of the summit for commitments and alliances on climate efforts.<\/p>\n\n\n\n
Nathaniel Keohane, another former Obama White House adviser and now a vice president at the Environmental Defense Fund, said experts have coalesced around the need to reduce emissions by at least 50% by 2030.<\/p>\n\n\n\n
\u201cThe number has to start with 5,\u201d he said, adding, \u201cWe\u2019ve done the math. We need at least 50%.\u2033<\/p>\n\n\n\n
The 2030 target is just one in a sometimes overlapping set of goals that Biden has outlined on climate. He also has said he expects to adopt a clean energy standard that would make electricity carbon-free by 2035, along with the wider goal of net-zero carbon emissions economy-wide by 2050.<\/p>\n\n\n\n
Biden\u2019s climate adviser, Gina McCarthy, acknowledged that the sheer volume of numbers can be confusing. At a forum last week, she and former New York Mayor Michael Bloomberg said climate activists should focus on actions in the next decade.<\/p>\n\n\n\n
\u201cLet\u2019s stop talking about 2050,\u2033 said McCarthy, who is leading White House efforts to develop U.S. climate commitments for 2030.<\/p>\n\n\n\n
Bloomberg, 79, was even more blunt: 2050 \u201cis a good number for people who give speeches, but I don\u2019t know anyone giving those speeches who\u2019s going to be alive in 2050.\u2033<\/p>\n\n\n\n
Some Republican lawmakers call the focus on reducing U.S. emissions counter-productive, saying Biden\u2019s plan would raise energy costs and kill American jobs while allowing Russia, China and other countries to increase greenhouse gas emissions.<\/p>\n\n\n\n
\u201cThe Biden administration will set punishing targets for the United States, while our adversaries keep the status quo. That won\u2019t solve climate change,\u2033 said Sen. Wyoming Sen. John Barrasso, the top Republican on the Senate Energy Committee. The United States already leads the world in reducing carbon emissions, Barrasso said, adding that Biden should try to \u201cmake American energy as clean as we can, as fast as we can, without raising costs for consumers.\u201d<\/p>\n\n\n\n
Some on the left think Biden is not going far enough.<\/p>\n\n\n\n
Rep. Alexandria Ocasio-Cortez, a New York Democrat who has called for a massive Green New Deal, said Biden deserves \u201ca lot of credit\u201d for his infrastructure plan\u2019s vision and scope, but said it falls far short of what is needed to meaningfully combat the climate crisis. She and her supporters are calling for at least $10 trillion in federal spending over the next decade to address climate change and other problems.<\/p>\n\n\n\n
McCarthy disputed the notion that Biden has backtracked from campaign promises to lead on climate.<\/p>\n\n\n\n
\u201cWe\u2019re always either doing too little or too much,\u2033 she told reporters earlier this month. \u201cBut rest assured that the president put a (spending) number out here that he felt was not just defensible but required to meet this moment in time.\u2033<\/p>\n\n\n\n
Much of the proposed spending to address climate change is included in Biden\u2019s $2.3 trillion infrastructure bill.<\/p>\n\n\n\n
If Republicans think less money should be spent on clean energy and infrastructure, McCarthy added, \u201cthen we\u2019ll have those conversations.\u201d<\/p>\n\n\n\n
Marcella Burke, a former Trump administration official who now is an energy lawyer in Houston, gives Biden an \u201cA-Plus for enthusiasm\u201d on climate, but an incomplete on details. \u201cWe\u2019ve had a lot of goals, but not a lot of strategy announced to get there,\u2033 she said. \u201cSo the jury is still out.\u2033<\/p>\n\n\n\n
___<\/p>\n\n\n\n
AP Science Writer Seth Borenstein contributed to this report.<\/p>\n","protected":false},"excerpt":{"rendered":"
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