National Environment Massive Caldor Fire Continues To Threaten Biggest City On California's Lake Tahoe 4:51pm September 01, 2021 by Eric Westervelt National Security Environment climate National Share URL copied to clipboard! Copyright 2021 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered Arts Yiddish is making a comeback National Pedestrians hear AI-generated messages from billionaires at hacked crosswalks 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate