A civilian watchdog group sued a California coastal agency on Tuesday, seeking to overturn its decision to allow 1,800 tons (1,632 tonnes) of radioactive waste from a closed nuclear power plant to

Forecasters say this year’s El Niño promises to be one of the strongest ever, with the potential to unleash a devastating wave of flash floods and mudslides upon drought-stricken California in comi

Categorizing the choices in coastal infrastructure that are available to policy makers will allow for comparisons of their potential impacts on ecosystems and of their value in preparation for long-term sea-level rise. Although similar approaches have been described elsewhere in different policy contexts, this article focuses on evaluating physical infrastructure types – including hybrid structures that combine landforms with concrete and steel elements – based on historical differences in engineering practices.

As California braces for torrential downpours this winter from El Nino, authorities have stockpiled extra sandbags across the state while putting hundreds of personnel through flood-control trainin

It’s not just the polar bear. Animals and plants in Earth’s other extreme environment—the desert—are endangered by rising temperatures.

Even though plants first emerged on Earth 400 million years ago, it was not until approximately 80 million years later that wildfires began ripping through forests and grasslands like they do today

Known for its pioneering environmental effort, California has agreed to help India reduce air pollution and combat climate change, state governor Jerry Brown said after his meeting with Prime Minis

Forest fires have consumed nearly 9 million acres in the United States so far in 2015.

There is strong evidence that short-run fluctuations in air pollution negatively impact infant health and contemporaneous adult health, but there is less evidence on the causal link between long-term exposure to air pollution and increased adult mortality.

Two explosive wildfires have displaced 23,000 people in northern California and threaten to wreak more devastation in rural communities, which have lost hundreds of homes.

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