Hansa Ahir, left, who salvages recyclable waste for a living in Ahmedabad, India, bought an insurance policy to cover her income on days when heat makes it dangerous to work.
In heat waves, chemicals like formaldehyde and ozone can form more readily in the air, according to researchers driving mobile labs in New York City this week.
Construction in Phoenix last July. Labor groups and workersβ rights organizations hope to build up protections for the tens of millions of people working outside or without air-conditioning during heat waves.
Officials in Oregon say they need to cut trees, including some healthy ones. The reaction shows how complex land management has become as forest health declines.
Bleached corals off Brazil this week. The world is currently experiencing a global coral bleaching event, according to the National Oceanic and Atmospheric Administration.