Thanks to the president’s diplomacy with developing countries, a global climate deal is a lot closer than seemed possible a year ago.
New York City Mayor Bill de Blasio wants to power all city government operations with renewables within 10 years.
The presidential candidate made some surprising comments about city zoning codes recently, but he's totally missing the big picture.
Carbon dioxide pollution is causing ocean acidification, and that should justify regulating CO2 as a toxic substance, according to a novel legal argument.
To reduce greenhouse emissions, we need more people living in densely built city cores. But lifestyle changes and inequality are making that harder to achieve.
Earnest entreaties and appeals to reason obviously aren't working.
Hillary Clinton and Martin O’Malley are framing climate action as an economic stimulus package, but is that the best approach?
Grist's Ben Adler and MSNBC's Tony Dokoupil talk about Adler's essay on how gentrifying cities can avoid the mistakes Brooklyn has made.
The former Maryland governor is seeking the Democratic presidential nomination on an audaciously ambitious environmental platform.