People Should Drink Way More Recycled Wastewater

But if you’re able to recycle water on a large scale, you’ve got a powerful hedge against drought. “That’s an extraordinarily reliable supply, being able to access that flow of wastewater, clean it up, and then use it to offset the need for other supplies,” says...

Deadly Heat Is Baking Cities. Here’s How to Cool Them Down

If you’ve ever driven from the country into the city and marveled at how the temperature dramatically spiked, you’ve felt the urban heat island effect. The streets and buildings of a metropolis absorb the sun’s energy during the day and gradually release it at night....