"Buildings, particularly older ones and those with poor energy efficiency, account for 31 percent of the nation’s greenhouse gas emissions. ... On Thursday, the U.S. Climate Alliance, an association of 25 governors of states accounting for half of the country’s population, announced a major move to reduce those emissions, cut utility bills, and create jobs."

"Pumped storage hydropower is the greenest renewable energy technology for large-scale energy storage, a new study suggests."

"Every night, a mass murderer stalks the darkness of America’s suburbs. An eerie blue glow lures hapless victims from their homes. The doomed souls, mesmerized by the light, throng to their deaths in sizzling blasts of electricity."

"Beijing’s influence campaign using artificial intelligence is a rapid change in tactics, researchers from Microsoft and other organizations say."

"When wildfires swept across Maui last month with destructive fury, China’s increasingly resourceful information warriors pounced.

"A new partnership between NASA and researchers is measuring the impact of beavers reintroduced to landscapes in Idaho."

"I was sitting in solitude earlier this summer in an Adirondack chair in my backyard, when I realized I wasn’t as alone as I’d thought. Thanks to the app I’d just downloaded on my phone — the popular and free Merlin Bird ID — I learned just from listening that I was surrounded by more than a dozen species of birds."

"Officials say the future of wildfire detection is cameras. But in northwest Montana, solitary humans on mountaintops still do more than machines alone can offer."