Gleaming from beneath the water's surface, you spy a large fish speckled with scales of sapphire. What could it be? Would you believe a pollution-sniffing robot? See more »

Many of us take clean water for granted, but more than a billion people have no access to it. Luckily, LifeStraw can help make water safer for individuals and families that desperately need it. See more »

There's nothing that innovative about a tricycle or a water filtration system -- but when the two are combined, it's a different story. The Aquaduct Mobile Water Filtration Vehicle might be the answer to water scarcity and contamination. See more »

If the planet is truly warming, we could be in for some catastrophic results, according to some scientists. It's no wonder that a few are theorizing some dramatic methods to cool the Earth's surface. See more »

For plenty of people, getting a drink of water on the hottest of days is not as easy as filling a glass at the tap. The Slingshot aims to do something about that. See more »