Following intrepid bands of drainers into the bowels of the concrete jungle, the films "Lost Rivers" and "Rock the Boat" remind us of the powerful role rivers play in urban life and culture.
Four debates and no mentions of climate change. Have we moved backward when it comes to focus on science in politics?
A new index ranks U.S. cities by leadership in cleantech -- and San Jose, Calif., leads the pack. The West Coast and Northeast dominate, but other regional clusters are coming on strong.
Talk about perseverance. Although his film was released over a year ago, the director of "American Meat" is showing his documentary about farm alternatives to young people in 100 cities and towns this fall.
A veteran urban farmer in Detroit explores the relationship between the work he does and the city's move toward gentrification.
The coauthor of "The Death of Environmentalism" talks about the Anthropocene, an era of big decisions, and why global warming isn't his greatest concern.
This Oakland-based hip hop artist and green crusader says the inner city is fertile ground for change.
Climate change got no mention in any of the presidential debates. It's left to Clinton to explain why climate is a national-security issue.
There's a lot being written about the absence of climate change from the presidential race. Blame the conservative movement's Obama-era lurch away from sanity.