The data could yield a much more precise picture of how accumulating greenhouse gases will affect the planet.
Because of heavy logging in the 1800s and early 1900s, only about five percent of the old-growth redwoods remain, with much of that acreage in state and national parks. Now they face another threat: poachers.
It's been 150 years since Lincoln preserved Yosemite, and the park is celebrating but boosting conservation efforts. ...Read More
Trains loaded with volatile Bakken crude pass through or near cities and sensitive environmental areas on a regular basis.
Fights are breaking out over controversial water sales. Some farmers say they need the water to keep trees alive, while others say groundwater pumping depletes supplies for neighboring farms, and could threaten California's already-stressed aquifers.
The Obama administration dropped the proverbial climate change bomb earlier this month when it announced a groundbreaking plan, without congressional approval, to significantly reduce the nation's carbon emissions over the next 15 years. Cartoon journalist Andy Warner explains what the new rules set out to do. View as slideshow Andy ...Read More
Squid fishermen in and around Monterey Bay are experiencing early success this season with California market squid, which may be a result of a couple happy accidents.
A new version of a water bond slated for the 2010 ballot may finally go before voters in November. ...Read More
Environmentalists want Berkeley drivers to see a connection between pumping gas and dumping carbon into the atmosphere.
Crude-by-rail has been a growing concern as an oil boom in North Dakota has meant more and more crude is traveling to refineries by rail. A series of fiery derailments in the past year has focused attention on the need for accident prevention and emergency response preparation.
Even before the drought, farmers around California were sucking down the groundwater faster than the environment could keep up. Now, the U.S. Geological Survey reports the practice has caused land in the Coachella Valley to sink up to two feet in some places. ...Read More
Two competing camps have emerged about how to boost California's water supplies during dry times: conserve more water or build more water storage.
In a letter to the city, Harris says she still has questions about the oil company's $1 billion expansion project.
Three years after the Fukushima Dai-ichi nuclear plant meltdown, over 100,000 residents remain displaced. ...Read More
Beginning Saturday, railroads must notify states when large shipments of crude oil come through by train. The new rule is in response to safety concerns with crude-by-rail.
This weekend, history buffs relive trek made to the Sierra more than a century ago by black Army troops.
There's a drilling boom in California -- and it's not for oil or gas. With little help from the sky or the Sierra snowpack this year, farmers and ranchers are leaning heavily on pumping groundwater. Counties in the farm-rich Central Valley are issuing record numbers of permits for new wells. ...Read More