First the good news: Seas didn't rise as much as we thought in the 20th century. Bad news? They're rising even faster now.
Our streets weren't designed to accommodate bikes and cars together, but with work, we can get there.
Cities may hold the solutions to our global climate crisis -- but only if we address deep-seated inequities.
In the 1950s, developers pitched Cedar Island, Va., as the next great East Coast beach resort. That dream is now completely gone.
Greenland and Antarctica won't melt in our lifetimes, but these maps give us a glimpse of what our descendants are in for.
Here's your guide to bike lights, reflectors, and not getting flattened while bicycling in the dark.
Adrian Benepe was responsible for adding more than 700 acres to the Big Apple's park system. Now he's taking the cause national.
Seattle's Bullitt Center is making waves far beyond its super-insulated, nontoxic, and FSC-certified walls.
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.