"The five-car caravan crept down a gravel logging road as the day’s last beams of golden light filtered through the trees. About 20 forest defenders were making a stand in southwest Vancouver Island, at a spot where a logging company was expected to cut old-growth trees the following morning. They made camp in tents and the backs of cars."

"As regulations have reduced prenatal exposure to harmful emissions from vehicles and industry in recent years, smoke from climate-fueled wildfires is erasing air quality gains."

"B.C. Premier David Eby says the entire province is now under a state of emergency as crews grapple with dozens of out-of-control wildfires that have forced thousands of people to evacuate."

"A fast-moving wildfire destroyed about 230 homes in an Indigenous community in western Canada, officials said Tuesday, making it one of the country’s most destructive fires in recent years."

"Transmissible tumors have been reported in a handful of animal species, but never before among fish. Is it possible in humans?"

"President Donald Trump on Friday threatened to impose tariffs on Canada in retaliation for wildfire smoke, but it was not clear that he has the legal authority to impose such a levy."

"State agencies on Wednesday issued key permits for the controversial Line 5 tunnel in the Straits of Mackinac, concluding the project’s benefits outweigh drawbacks that include disruption to Native American burial sites and harm to wetlands and rare species."

"Thousands of visitors were told to evacuate a remote Minnesota wilderness area accessible only by boat as wildfires send dangerously heavy smoke over the U.S. Midwest and Northeast this week."

"It’s already been a deadly year for firefighters, and authorities have been putting resources where they can more quickly pounce on wildfires before they get out of hand and increase the possibility of additional loss of life and property. Fire managers try to anticipate nature’s next move, placing thousands of firefighters, hundreds of engines, batteries of bulldozers, and fleets of helicopters and air tankers where they’ll make the biggest difference."

"A massive heat wave is sending temperatures into the triple digits in much of the eastern United States, just as the World Cup enters the crucial knockout rounds."