California Gov.

Forests in California have changed dramatically during the 20th century. Shifts in forest structure including densification, declines in large trees and tree basal area have altered the function, productivity, and resilience of modern day forests. Attributing these changes to specific drivers is increasingly important for effective management of healthy and productive forests.

Some 14,000 firefighters, including inmate volunteers, are battling 18 major blazes burning thousands of square miles throughout California with aircraft, assorted vehicles and picks and shovels.

California air regulators on Tuesday said they plan to keep tightening state vehicle emissions rules despite a Trump administration proposal last week that would strip the state of the ability to s

The deadly Northern California wildfire, dubbed the Carr Fire has been named as the seventh most destructive in California’s history.

Assisted by calmer winds at their backs, firefighters in northern California on Tuesday tightened their grip on a deadly blaze raging for more than a week around the city of Redding, as 16 people l

When Erin Brockovich sued a major utility company in the 1990s for contaminating drinking water with hexavalent chromium, a toxic and carcinogenic metal, national attention turned to California.

The Trump administration is expected as early as Thursday to propose revoking California’s power to set state vehicle emissions rules and mandate the purchase of electric vehicles, a government off

California and 14 other states sued the US Environmental Protection Agency on Thursday over its decision to suspend an Obama-era rule aimed at limiting pollution from trucks.

Although natural terrestrial ecosystems have sequestered ~25% of anthropogenic CO2 emissions, the long-term sustainability of this key ecosystem service is under question. Forests have traditionally been viewed as robust carbon (C) sinks; however, extreme heat-waves, drought and wildfire have increased tree mortality, particularly in widespread semi-arid regions, which account for ~41% of Earth's land surface.

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