National trash: Reducing waste produced in US national parks

When you think of national parks, you might picture the vast plateaus of the Grand Canyon, the intricate wetlands of the Everglades, or the inspiring viewscapes of the Grand Tetons. You probably don't envision 100 million ...

Washing hands despite lack of water

Even though the water we've used for washing hands is barely contaminated, it usually goes down the drain. A newly developed system allows handwashing water to be recycled, thus not only saving water, but also helping to ...

New tool helps parched regions plan how to replenish aquifers

The federal government reports that 40 states expect water shortages by 2024 and water worries already plague some cities across the United States. Underground aquifers that were over-tapped for years now cry out to be replenished. ...

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