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Biden Wants To Cut Greenhouse Gas Emissions, But When Would The Atmosphere Catch Up?03:45
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The Biden administration is expected to make a big promise next week to dramatically cut America's greenhouse gas emissions over the next 10 years.

Scientists say it will take a long time for the atmosphere to show the benefits. But the cuts are crucial if humans hope to avoid the most catastrophic effects of climate change.

NPR's Rebecca Hersher reports.

This story is part of Covering Climate Now, a global journalism collaboration of more than 400 news outlets committed to better coverage of the climate crisis. This year's theme is "living through the climate crisis."

This segment aired on April 16, 2021.

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