Mayors and municipal governments are doing a lot, and can do a lot more, even while national governments are pathetic laggards.
The United Nations doesn't want the world to forget about climate change. And it's making big, flashy statements about it.
What does a "blue city" look like, anyway? For starters, take a look at Rotterdam and Wellington.
The $8 billion complex would send electricity from Wyoming to the city of Los Angeles, making the Hoover Dam look like a middle school science project.
Recent stories use bicycling as either a proxy for white privilege, or a metaphor for explaining it to other white people. It's not working.
Here are five things you should do if you’re ever unlucky enough to be hit. And a shining example of what not to do.
Could improving public health help curb climate change?
Free for the next two weeks: Some of the best research about the health disparities and environmental burdens suffered by people of color and modest resources around the globe.
Coral reefs are dying off worldwide, but in the murky waters off of Miami, one man found some remarkable survivors.