Art & DesignBotanyClimate Change | El Niño |  Fire |   FungiGeologyHistoryThe BayThe Ocean |   Urban Nature |  WaterWeatherWildlife

black walnut tree

Tree Detectives

 • 

The Northern California black walnut led scientists into a genetic mystery: is this a rare tree, or a common one?

Yellow-eyed ensatina, photo by Damon Tighe

Nature to Look for Every Month in 2020

 • 

Californians like to complain about missing true “seasons.” But expand your definition beyond humid summer nights and winter sleet and you’ll find nature all around us responding to seasonal change. Here are some of our suggestions of seasonal favorites to … Read more