KINGS CANYON NATIONAL PARK, Calif. — Every June, Tony Caprio and his wife Linda hike into the Sugarbowl — a cluster of giant sequoias high in the Sierra Nevada — to admire the profusion of wildflowers and walk among some of the oldest and tallest trees on the planet.

Now when he visits, he sees something that, scientists say, has no precedent in thousands of years of history: vast acres of dead sequoias, killed by fire.

Sign up for our Daily Headlines newsletter

(0) comments

Welcome to the discussion.

Keep it Clean. Please avoid obscene, vulgar, lewd, racist or sexually-oriented language.
Don't Threaten. Threats of harming another person will not be tolerated.
Be Truthful. Don't knowingly lie about anyone or anything.
Be Nice. No racism, sexism or any sort of -ism that is degrading to another person.
Be Proactive. Use the 'Report' link on each comment to let us know of abusive posts.
Share with Us. We'd love to hear eyewitness accounts, the history behind an article.