NEW! Outside TV show

Alex Honnold explores Nevada’s wild side

Watch now

NEW! Outside TV show

Alex Honnold explores Nevada’s wild side

Watch now

California

Video loading...

Meet the Renegade Tree Climbers Saving the Sequoias

New perk: Easily find new routes and hidden gems, upcoming running events, and more near you. Your weekly Local Running Newsletter has everything you need to lace up! Subscribe today.

When John Muir sauntered through the condensed grove of what is now known as Sequoia National Park, he would have never envisioned the devastation that has occurred since 2011. In this story from bioGraphic, The Last Tree Standing shares the work of Leaf to Landscape, an ecology research study sponsored by UC Berkeley's Dawson Research Lab. The study is seeking out how water shortage has caused the death of 102 million trees in this short span of time.

Published:  Updated: 

California