But the smoke made trouble when it traveled. Cal Fire Angel Island might be one of the hardest places in California to hold a prescribed burn. Fire engines have to arrive on a boat, one at a time, all ...

President Trump's administration has proposed cutting the program. But Congress funds the program directly, so Congress will ...

Wild lilac cultivars come in all shapes, from ground covers to small shrubs to as large as a small tree. Zone 1 is a perfect ...

“Are there any true grizzly bears now in California?” William Randolph Hearst, the young owner of the San Francisco Examiner, asked his enterprising reporter, Allen Kelly, one May day in 1889. Bay ...

A blackpoll warbler at the Farallones. Researchers used feather isotopes to look into the origins of six species of warbler visitors to the islands. Jim Tietz / Point Blue Conservation Science Some ...

Conservation often focuses on losses, but rewilding is an exercise in imagination—and optimism. In this issue, we follow California condors into East Bay skies, and consider the apex of ...

I thought I’d hiked every trail in Golden Gate Park in over two decades exploring the park. But on a sunny morning in May, I headed up a hillside on a small, steep trail I’d somehow missed. At the top ...

Naturalist and illustrator John Muir Laws is the author of the Laws Field Guide to the Sierra Nevada and Sierra Birds: A Hiker's Guide. Learn more and find class schedules at johnmuirlaws.com.

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A data-derived map of the Sierra National Forest tree canopy and the condition of individual trees in 2020—whether they are alive or dead—is an example of what the new LiDAR-derived data will show.