A kayaker had a complete meltdown when a curious bear started messing with her boat.
Neutrogena's social media campaign says we can save tons of water by using its wipes to wash our faces. Reality is messier than that.
According to a new model, the world's current carbon-cutting commitments may not be enough.
Don't worry -- it's just a thought experiment. For now.
A reader is eager to get a jump-start on his pasta by opening the hot-water tap -- but Umbra gives him a few heavy reasons to hold off.
In this competition based on biomimicry, new ideas for improving the food system draw inspiration from earthworms, ants, and mangrove trees.
The fight for Alaska's oil isn't over yet.
A new poll finds some encouraging numbers suggesting that "climate-conscious conservative" is not a contradiction in terms.
Brazil is now the first major developing country to pledge absolute reductions in emissions -- and for that, you can thank China.