18 eco-friendly tips for staying cool

In many areas of the country, this summer is expected to bring record heat. That means higher electricity bills and more usage of fossil fuels. But there are more ways to stay cool than just cranking up the air conditioning, many of which are pretty eco-friendly.

Flip through the gallery for 18 eco-friendly ideas for staying cool this summer, from chilly frozen water bottles to a DIY swamp cooler that’s surprisingly powerful.