Decades of 'good fires' save Yosemite's iconic grove of ancient sequoia trees
Saving the centuries-old trees in Yosemite's famed Mariposa Grove took hard work from firefighters but also half a century of intentional fires.
Environment
The U.K. breaks its record for highest temperature as the heat builds
Britain on Tuesday shattered its record for highest temperature ever registered — and the national weather forecaster predicted it would get hotter still in a country ill prepared for such extremes.
Canadian researchers seek paths for animals to migrate in response to climate change
Global warming is causing many species to migrate northward, but roads often can prevent them from doing that. Scientists are looking for ways to make that passage easier and safer.
A report warns that Australia's endangered animals will increase because of wildfires
The wide-ranging report found the number of Australian species listed as threatened had increased since the 2016 report.
Heat torches Southern Europe, killing hundreds
Ferocious wildfires are burning in Spain and France, which evacuated thousands of people and scrambled water-bombing planes and firefighters. Officials and scientists cited climate change as a factor.
Europe could hit record-breaking temperatures this week
Europe is reeling from a massive heat wave, and temperatures could hit records this week across much of the continent.
Arizona cities respond to the worst drought in over a thousand years with a new plan
Cities in Arizona have started implementing state-required drought plans in response to the crisis on the Colorado River. The current drought is the worst in 1,200 years.
The Atlantic cod is coming back after strict catch limits greatly decreased numbers
Atlantic cod, a fish that was foundational to New England's economy, is being caught at historically low levels. But a research scientist says cod is in the early stages of a comeback.
Sharks mistaking feet for fish are likely behind Long Island attacks
A shark expert said the likely culprits behind the Long Island incidents are juvenile sand tiger sharks, which may accidentally bite humans while chasing fish.
Biden urges Democrats to pass slim health care bill after Manchin nixes climate action
West Virginia Sen. Joe Manchin's vote is key in the evenly divided Senate, and he already rejected President Biden's larger spending package in December.