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How healthy and clean was seafood from the Gulf of Mexico before the oil spill?

Aug 3, 2010
According to a lot of people I've talked to for stories about the oil spill, demand for Gulf seafood is off. It seems like a lot of people are a...

For public good, not for profit.

What's the history of sewage treatment? How do biosolids fit in?

Aug 2, 2010
The circle of life. Milorganite pellets (photo above) are made from recycled waste, aka biosolids, and used to help fertilize crops and improve l...

Oil Spill Index: How long until the BP well is permanently sealed?

Aug 2, 2010
Easy Answer: It could be days instead of weeks; a BP spokesman says it's hard to know. The New York Times is guessing it could be done by the end...