World News Some effects of climate change are irreversible, but there's still hope 4:36pm February 28, 2022 World climate Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2022 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered National Protesters rally against Trump policies across the U.S. by Emily Feng World News As Trump tries for Ukraine-Russia deal, public opinion on conflict shifts by Mara Liasson 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate