California

"The deal would place 40 percent of California’s idle wells in the hands of one operator. Campaigners warn this poses an “immense” risk to the state — which new rules could help to mitigate, depending on how regulators act."

"When the monitors detect unhealthy conditions, people can protect themselves by closing doors and windows and avoiding unmasked time outdoors."

"Giant redwoods - the world's largest trees - are flourishing in the UK and now even outnumber those found in their native range in California."

"California’s fishing industry is bracing for another bad year as federal managers today announced plans to heavily restrict or prohibit salmon fishing again, after cancelling the entire season last year."

"A bipartisan group of Colorado lawmakers are proposing legislation to reintroduce wolverines, one of the country’s rarest carnivores, into a state primed with deep snow and high mountains. The unprecedented move would be the first wolverine reintroduction in North America, and is part of an ongoing effort by Coloradans to restore the state’s native species."

"The snowstorms were a ‘tremendous boon’ to the state’s water supply, officials said".

"Residents in Pomona’s industrial zone have dealt with pollution from waste facilities, warehouses, and other polluting industries for decades."

"Much of the Sierra Nevada was under a blizzard warning Thursday as a storm that forecasters say is shaping up to be the strongest of the season began to blow into the region."