Celebrity mountain lion P22 stalks and kills a Chihuahua named Piper as it’s walked on a leash in LA’s Hollywood Hills.

A Dutch court declines to authorize the use of paintball guns to haze wolves (the Netherlands has four packs) away from humans. Last year, paint guns were used on wolves in Yellowstone National Park.

Yellowstone wolves infected with the parasite Toxoplasma gondii are 46 times more likely to become pack leaders.

Standard methods of harassing Canada geese do not work.

President Joe Biden commits to protecting 450,000-acre Avi Kwa' Ame (“Spirit Mountain” in the Mojave language) in Nevada, presumably as a national monument.

More than 20,000 people died as a result of last summer’s heat wave in Europe.

COP27 ends without agreement on a phase-out of fossil fuels but with the creation of a fund to compensate poorer nations for the “loss and damage” they have suffered as a result of climate change.

For the first time, California is powered by 100 percent renewable energy. 

The Biden administration will pay $1.1 billion to keep California’s Diablo Canyon nuclear power plant open beyond its planned 2025 closure.

In West Virginia, which relies on coal for 91 percent of its energy, electricity rates in the past 15 years have risen by five times the US average.

New York bans crypto mining at fossil fuel power plants for two years, the first state to do so.

Narwhals are altering their annual migration patterns in response to climate change.

A power failure at Houston’s water treatment plant put 2.2 million residents under a boil water order. 

Hawai'i's Mauna Loa, the world’s largest volcano, erupts for the first time since 1984. The eruption cuts power to the observatory atop the mountain, interrupting its long-running tabulation of atmospheric carbon dioxide levels. 

Chevron begins operations in Venezuela again.  

A NASA camera on the International Space Station spots a massive methane leak in the Permian Basin of New Mexico venting more than 40,000 pounds an hour of the powerful greenhouse gas. 

A chemical called 6PPD that is added to car tires to make them more durable is killing salmon and steelhead. Its effects on humans are not known. 

Washington State bans fish farms in its waters to protect native salmon.

California permits the second desalination facility in a month.

A black bear cub in Alaska dies after becoming infected with bird flu.

The Sierra Club welcomes a new executive director, Ben Jealous.