Avian influenza or “bird flu” is hitting Bay Area poultry farms hard, with a quarter of a million birds euthanized in Sonoma County this week alone. Mike Weber, the co-owner of Sunrise Farms in Petaluma, says around 82,000 of his egg-laying chickens had to be euthanized after birds started testing positive for avian flu.

The sea lions vary in decomposition. Several had their bones exposed Monday afternoon.

Over the last two years, more than 500 northern fulmars were found sick or dead along the Sonoma and Mendocino coasts. What is ailing these seabirds?

Over the last two years, more than 500 northern fulmars were found sick or dead along the Sonoma and Mendocino coasts. What is ailing these seabirds?

Evidence of severe drought is all around us.  As of Thursday morning, Clear Lake sat at -1.62 feet Rumsey.  Many boat ramps have closed.  Water availability has become a matter of significant state…

At 97 degrees, Tuesday was the hottest day of the year in Santa Rosa, breaking the 1974 record high for May 26.

For the third year in a row, an enormous wildfire is destroying homes and properties in California, with smaller fires raging elsewhere in the state.

Massive amounts of the mussels clinging to the rocky shores and cliffs of the Bodega Marine Reserve were cooked in the June heat wave.

Starting on Wednesday, May 22, hundreds of Common Murres, an ocean-going bird native to the Pacific Coast from the Channel Islands to the tip of the Aleutians in Alaska, have been reported washed u…

The wind known as the Diablo is picking up again, the air is dry, there is no rain in sight and the killer wildfires that have scorched the wine country of Northern California remain almost completely uncontained. Officials warned Wednesday that some of the big fires could merge. Amid these grim bulletins, the huge utility company PG&E acknowledged that the extreme winds late Sunday and early Monday had knocked trees into power lines in conditions conducive to wildfires.

Mass evacuations were ordered in what is being called one of the most destructive fire emergencies in the state’s history.

Special report: A huge disruption to California's coastal ecosystem is under way after several years of unusually warm ocean conditions and drought.

Over the last two years, more than 500 northern fulmars were found sick or dead along the Sonoma and Mendocino coasts. What is ailing these seabirds?