They hope to reduce the roughly 3 million yearly deaths tied to outdoor air pollution.
The top cities mass-produce compost, use landfill gas to heat a stadium, and “deconstruct” rather than demolish homes.
The next four years will decide if the world can deliver on the Paris agreement, and cities are tasked with an ambitious call to jumpstart the effort.
The sheer number of incidents involving America’s fossil fuel infrastructure suggests environmental concerns should go beyond Standing Rock.
The city recently celebrated its 100th traffic circle, and has more than 30 others planned.
Damaging storms in the U.S. Northeast are likely to become “more frequent and more powerful.”
How much CO2 did it take to cook a turkey dinner in your state?
Local leaders learned how to take action when Washington couldn’t. Now they’re betting those efforts can survive an age of science-denying federal overlords.
Anne Hidalgo and Muriel Bowser discuss the challenge ahead as women leaders tackling global warming in a hostile political climate.
Probably not as much as you might think, experts say.
There’s scarcely any powder in the Lower 48 outside of the high mountains.
In the northern latitudes, temperatures have been more than 12 degrees above average.
A roundup of the best stories on cities and urbanism we’ve come across in the last seven days.
Greenhouse gases emitted in cities near the equator have the biggest impact on ozone levels worldwide, a new study suggests.
A massive global heat increase is already locked in, say scientists.
The Arctic had 1.2 million square miles of old ice in the 1980s. Today it has just 68,350.
Classroom initiatives in New York and Miami prepare students for a changing world—and they’re good for the environment, too.
Scientists have linked oil and gas exploration to several L.A.-area quakes, including one that led to the passage of earthquake-resistant building codes.
This weekend, sensory explorers can huff the park’s trees, dirt, “yeast,” and “wet cement.”