Water: Our Thirsty World
Yes, it's everywhere — covering 70% of Earth's surface, to be exact — but this special issue of National Geographic does a masterly job of casting the topic of water in a new light. The issue is filled with stunning images of this very photogenic natural resource from around the world, but its cover makes a simpler statement. You want to lift the magazine up and shake every last droplet into a glass for safekeeping — and that's the point.