
Over two years, David Kroodsma rode his bike 21,000 miles from Palo Alto to Tierra del Fuego and then from New York back home, to study and talk about climate change. A Q&A with the San Francisco-based climate journalist, scientist and educator, who’s recently authored a book about his experiences.

Why the California Academy of Sciences brought in a bookseller from Homer, Alaska to help lead the articulation of its rare orca skeleton — and how Lee Post became “Lee Post AKA The Boneman,” one of the world’s leading authorities on the re-putting-together of beached whales.

The North Bay played host to one of nature’s great spectacles this week, the annual Richardson Bay spawning of Pacific herring, an event eagerly anticipated by hungry animals and curious people — and an event all the more precious for how close it once came to disappearing.

Richard James, who keeps the beaches of Point Reyes as litter-free as he can, has an obsessive eye for the discordant note of trash. His life as a park volunteer comes with a lesson: You learn strange things when you pick up after the world.

Muir Beach reopens after a six month closure and more Bay Area nature news.

Cheyanna Washburn, a sophomore at Diablo Valley College in botany and recreational therapy, is one of those dedicated young leaders who inspires her peers to get involved and active. Before entering college, she was a student at New Leaf Leadership Academy at Vicente Martinez High School in Martinez, where she participated in dozens of creek…