The once-redlined neighborhoods of 83 U.S. cities show higher noise pollution levels (a health risk) than those of wealthier White neighbors.
Ahead of COP28, a poll of more than 24,000 people in 31 countries finds accelerating climate impacts but a 'disconnect' with their leaders.
India's capital has consistently ranked among the world's most polluted cities.
Rising temps mean more snow melt in cold-climate mountain regions, but fewer emissions and cleaner snow may offset some of the changes.
In recent years, conspiracy talk about a 15-minute city abounds. But the idea dates to at least 2008 and integrates century-old urban design.
A study from Spain shows how fibers from artificial turf, typically used in sports, can contribute to plastic pollution.