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Penn Today

Fifth national climate assessment emphasizes mitigation

The latest National Climate Assessment highlights historic emissions reductions and outlines new guidance for achieving a net-zero emissions pathway.

December 13, 2023

The National Oceanic and Atmospheric Administration recently announced that 2023 is on track to be the hottest year in its recorded history. Furthermore, all 10 of the hottest years on record have occurred since 2010, according to data from the Global Climate Change program at the NASA. Informed by accumulating evidence, climate scientists and other experts have been sounding the alarm about the dangers of pollution and humanity’s role in exacerbating climate change as early as 1965.

As part of a response to these warnings, in 1990 Congress passed the Global Change Research Act, which requires the U.S. Global Change Research Program (USGCRP) to deliver periodic reports to Congress and the President on the current status of climate science, the extent of climate impacts, and trends in global change.

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