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A brief timeline of U.S. climate pledges made, and discarded - Highland County Press

A brief timeline of U.S. climate pledges made, and discarded

President Biden is announcing an ambitious new pledge to cut U.S. greenhouse gas emissions roughly in half by 2030 as part of a global climate summit he is hosting this week. 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:

1992: President George H.W. Bush 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.”

1997: President Clinton agrees to cut greenhouse gases 7% below 1990 levels under the Kyoto Protocol, the first international treaty with legally binding obligations to limit emissions. The U.S. signed the agreement but was not bound by it because it was never ratified by the U.S. Senate.

2001: President George W. Bush announces the U.S. will not join the Kyoto Protocol, opposing it on the grounds that it exempted developing nations from mandatory emissions cuts.

2015: President Obama pledges to cut U.S. emissions 26% to 28% below 2005 levels by 2025 under the landmark Paris climate agreement. For the first time, nearly all countries committed to act to keep the global rise in temperatures “well below” 2 degrees Celsius (3.6 degrees Fahrenheit) in order to avoid calamitous levels of climate change.

2017: President Trump announces the U.S. will quit the Paris agreement, in a sharp turn toward pro-fossil fuel policies and “America First” isolationism. The withdrawal does not officially take effect until near the end of his term.

2021: President Biden moves to rejoin the Paris agreement on his first day in office. This week his administration is expected to announce a new pledge to cut emissions in half by 2030, establishing one of the world’s most ambitious climate targets.

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