Sales of vegan meat are trending downward in the US, with companies scrambling to win back customers.

Amsterdam is experimenting with roofs that not only grow plants but capture water for a building’s residents. Welcome to the squeezable sponge city of tomorrow.

Mathematicians are using topological abstractions to find places poorly served by polling stations.

In an unprecedented deal, a private company purchased land in a tiny Arizona town—and sold its water rights to a suburb 200 miles away. Local residents fear the agreement has “opened Pandora’s box.”

An infection can upset your microbiome, and if certain gut fungi run riot, this can kick the immune system into overdrive.

The world is already committed to warming that will undercut the global economy by 20 percent between now and 2050. That’s six times the price of limiting warming to 2 degrees Celsius.