Environment

When people call up Leigh Jerrard, founder of Greywater Corps, they're greeted with a recorded message: "Note that we are overwhelmed with inquiries right now, so it may be a while before we get back to you. But have faith."

Jerrard's company helps homeowners with the complicated process of installing their own Greywater systems. The system takes drainage from showers or washing machines and uses it to water lawns.

It sounds like a great idea now, but six years ago, when Jerrard started the company, few people were interested.

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Air pollution comes from many sources — power plants, industrial production and fires, to name a few. In Pittsburgh, the most polluted city east of California, according the American Lung Association, avoiding dirty air while outdoors can be difficult, if not impossible. But a new device, available through the public library system, helps people identify and reduce bad air quality inside their homes.

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It could be months before investigators can determine what caused a pipeline leak that has fouled a stretch of coast in Southern California, the company that operates the oil conduit says.

Since the leak was discovered earlier this week, more than 9,000 gallons of oil have been raked, skimmed or vacuumed from a 9-mile stretch of California shoreline near Santa Barbara, officials say.

"We have not even uncovered the pipe yet," said Patrick Hodgins, senior director of safety for Texas-based Plains All American, according to The Associated Press.

The AP reports:

What's at the bottom of the bottom of the food chain? Well, think small ... smaller than you can see.

Tiny life forms in the ocean, too small for the naked eye to see.

There are (and scientists have done the math) trillions of microorganisms in the ocean: plankton, bacteria, krill (they're maybe bigger than "micro," but not by much), viruses, protists and archaea (they're like bacteria, but they aren't bacteria).

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