Flushed resource restores ecosystem

Every city has abandoned industrial sites. Encouraging life to return to these barren areas is a challenge. It requires a healthy topsoil for plants and animals to flourish. Cities, with their heavily compacted and often ...

Mooving manure beyond drug-resistant bacteria

Manure management is serious business for a meat-hungry world. A single cow, depending on its size, can generate between 43 and 120 pounds of manure a day. Cow manure can be a low-cost fertilizer for farmers' crops. But manure ...

Fingerprinting erosion

You may have noticed that after a heavy rainstorm, creeks and rivers often turn the color of chocolate milk. That cloudy brown color is caused by sediments—weathered rock material ranging in size from tiny granules of mud ...

Hypoallergenic parks: Coming soon?

Ah-choo! If you suffer from seasonal allergies, you're probably sick of this refrain. And you're not alone. Millions of Americans suffer from seasonal allergies. Moreover, there are allergy sufferers around the world echoing ...

Just say 'No' to drugs—in water

Remember the science fair? For some of us it was an exciting time of creative experimentation. For others it was a time of botched and badly displayed data. For 16-year-old Maria Elena Grimmett, it's a blast. And she isn't ...

When trees aren't 'green'

Most of us don't consider forests a source of pollution. As natural bodies, they should be good for the environment. But a recent study in Japan shows that older cedar and cypress plantations are causing as much pollution ...

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