"Smoke from wildfires has worsened over the past decade, potentially reversing decades of improvements in Western air quality made under the Clean Air Act, according to research published Thursday from Stanford University."

"Fall's dazzling colors will soon transform woods and forests around the U.S., delighting spectators — if they can figure out when to see the fall foliage at the peak of their transformation."

"Across Appalachia, scientists and foresters are trying to reintroduce a hybrid version, helping to revive damaged land while also bringing back a beloved tree."

"Dozens of buildings burned and a major interstate was closed as gusty winds fanned a large wildfire in California’s Sierra Nevada mountains and ignited another blaze nearby, authorities said Tuesday."

"Polls indicate that Brazil’s presidential election in October will go to a runoff between incumbent Jair Bolsonaro and former president Luiz Inácio Lula da Silva, in a duel likely to decide the fate of the Amazon Rainforest."

"Smoke from hundreds of wildfires darkened skies over the Alaskan Interior this summer, with the state experiencing its fastest start to the fire season on record amid hot and dry conditions."

"California moved Wednesday to become the first state to lower insurance costs for property owners who make improvements to reduce their fire risk, the state’s insurance commissioner said as wildfires again flared across the heat-stricken state."

"Across Central Europe, companies are clear-cutting forests and grinding up centuries-old trees in the name of renewable energy."

"A historically severe September heat wave is baking the West, breaking hundreds of records, posing a danger to public health and pushing California’s power grid to the limit. Some records have been shattered by wide margins as the scorching air mass exacerbates the fire danger in the drought-stricken region."