Why would a scientist count a quarter of a million redwood tree rings?
Blue-green algae has made some Bay Area ponds dangerous
What causes a drought-stressed tree to die?
Dozens of experimental fogcatchers stand poised like sentinels across coastal cliffs and fields along the Central Coast, awaiting the marine layer to enshroud them.
For the last few months, the Guadalupe River, the major river of the 10th largest city in the United States, has been essentially out of water.
Temescal Creek flows through concrete culverts from Lake Temescal through the flats of Oakland and Emeryville, into San Francisco Bay—out of sight and largely out of mind. Creek advocates are hoping to change that.
The Pacific Ocean is the hottest we’ve ever seen it. What that means — or doesn’t — for the coming El Niño.
Current climate change research suggests California’s weather could become even more variable than in the past, a “new normal” of drier dry periods punctuated by wetter winter storms.
How to tell two large aquatic mammals apart?
Up until recently, there were limited and fairly antiquated options on how to measure California’s snowpack.