Environment

State officials said a Humboldt County cannabis operation took water from streams and damaged wetlands for years without authorization. The owner called the fine extreme and unfair but agreed to pay and restore wetlands.

Some automakers are reducing production of electric cars and Tesla sales have dropped. Can California sustain its record pace and meet the state mandate?

Chinook and other salmon runs are collapsing. Conservation groups call it too little, too late. Plan includes dam removals and restoring river flows.

As rooftop solar projects have plummeted, about 17,000 workers could lose their jobs. Will this derail the state’s climate and clean energy goals?

In a sign of the ongoing threats to its precious groundwater stores, half a dozen regions in California rank among the world’s most rapidly declining aquifers, according to research published today. Globally, lack of local water drives migration, poverty, starvation and violence — while in California, it drives decades-long regulatory battles over how to stop […]

Scientists say predicting the effects of climate change on avalanches is elusive: Many factors such as temperature, rain and winds are altered by the changing climate. Lower-elevation areas may see fewer avalanches, but uncertainties remain about higher elevations.

Facing big deficits, the governor has proposed taking a bigger chunk out of climate programs in his new budget — about 7% — and spreading the funds over seven years. Climate groups said cutting back on state spending now would cost the state more later.

Federal and California officials say the company illegally installed devices on about one million pickup trucks. Cummins will pay $2 billion in civil fines and funds for pollution control projects.

Even though California faces serious water shortages, the Legislature’s analysts recommend weaker outdoor conservation requirements and longer deadlines for urban water agencies.

An ongoing CalMatters investigation has shown how California companies and governments avoid the Golden State's strict environmental regulations by shipping toxic waste across state borders. New reporting shows how California exports the risk to Mexico.