/tags/sequoias Sequoias en-US WLRN Fri, 17 Sep 2021 10:59:03 GMT /news/npr-breaking-news/2021-09-17/a-single-fire-killed-thousands-of-sequoias-scientists-are-racing-to-save-the-rest The world's largest trees are adapted to wildfires. But with fires getting more extreme, scientists warn that giant sequoias are running out of time. Fri, 17 Sep 2021 10:59:03 GMT /news/npr-breaking-news/2021-09-17/a-single-fire-killed-thousands-of-sequoias-scientists-are-racing-to-save-the-rest Lauren Sommer