Scientists use handwritten letters to share their sad, sad feelings about climate change.
What do Bill Koch, the Aspen Skiing Company, and environmentalists all have in common? We visited a coal mine in Colorado to find out.
On a real scorcher of a day, the mercury downtown can roar 24 degrees above the temps in the surrounding desert. Other cities are feeling the heat, too.
Pre-measured ingredients for cook-at-home meals could be a fantastic idea. But if you want to recycle all that packaging, you might need an advanced degree.
Thanks to a lawsuit brought by environmental justice activists, the feds are about to crack down on the chemical stew these plants dump into the air.
There's someone in every state in the nation who’s breaking the status quo when it comes to food. Meet them all in our interactive map.
A recent study finds that people who walk to work or take the train are more satisfied than the rest of us. What do they know that we don't?
More than 23 million rides have been taken on bikeshares, though research is still unclear on how much they help the planet.
We think our latest redesign is our best ever. But don't take our word for it -- let us know what you think.