President Biden is announcing an ambitious new pledge to cut U.S. greenhouse gas emissions by at least 50% by 2030 as part of a global climate summit that begins today. It’s a move intended to reestablish America as an international leader in the fight against global warming after four years of Trump administration environmental rollbacks and climate denial.
U.S. presidents have pledged to fight global warming for more than three decades, going back to when George H.W. Bush promised on the 1988 campaign trail that “those who think we are powerless to do anything about the ‘greenhouse effect’ are forgetting about the ‘White House effect.’” But America’s commitment to addressing climate change has seesawed depending on which political party is in power. Here are a few key moments:signs the United Nations Framework Convention on Climate Change at the Earth Summit in Rio de Janeiro. The agreement provides the foundation for international efforts to reduce greenhouse gas emissions to “prevent dangerous anthropogenic interference with the climate system.
A Biden administration official tried to portray the U.S. commitment to reducing emissions as stable despite Trump’s decision to pull out of the Paris accord, which Biden has now rejoined. “It’s important to keep in mind that over the last four years, our cities and our states, our business and our workers, they stayed in,” the official said. “We kept marching toward the targets of the Paris agreement.”
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