He started fighting wildfires as a teenager. After inhaling smoke on the front lines for six seasons, he faced an impossible choice.

If you’re cooking with gas, it might help your health and the environment. Here’s why.

© Photo Illustration by The New York Times; Shutterstock

Once rare, wildfire smoke is becoming more prevalent in Arctic communities as Canada faces harsh wildfire seasons.

© Saskatchewan Public Safety Agency via Agence France-Presse