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 hundreds of millions of people have no access to it. Luckily, technologies like LifeStraw can help make water safer for individuals and families who 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 »