21 Jun '11, 12pm

Bright Energy’s Twist on CAES: Use the Ocean: Turn a glass upside down and plunge it into a sink filled with w...

Bright Energy’s Twist on CAES: Use the Ocean: Turn a glass upside down and plunge it into a sink filled with w...

sea cucumber via pfy via Creative Commons Turn a glass upside down and plunge it into a sink filled with water. You’ve just demonstrated the operative principle behind a compressed air storage system being developed by startup Bright Energy Storage Technologies that—conceivably—could deliver large amounts of power for 2.5 cents to 6 cents per kilowatt hour. The company’s core technology consists of a long, flexible polymer/glass bag shaped like a giant sea cucumber. One end of the bag is attached to an air hose on the surface. The other end is open to the sea. Sand from the sea floor anchors the open end of the tube to a sand flat at 140 meters below the surface. To store energy, generators on shore will compress air and funnel it to the bag. While some air can bubble out the open end if overfilled, the majority of it stays inside, in the same way air stays in the upside d...

Full article: http://www.greentechmedia.com/articles/read/bright-energy...

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Ocean In "Shocking Decline" According to Panel ...

treehugger.com 21 Jun '11, 8pm

Ocean In "Shocking Decline" According to Panel of Experts Richard Black of the BBC reports on findings from the Internatio...

Ocean In "Shocking Decline" According to Panel ...

treehugger.com 21 Jun '11, 8pm

Ocean In "Shocking Decline" According to Panel of Experts Richard Black of the BBC reports on findings from the Internatio...

How Neighbors Help Neighbors to Cut Their Energy Use (Video)

How Neighbors Help Neighbors to Cut Their Energ...

treehugger.com 20 Jun '11, 5pm

From efficient cook stoves in China to foot-powered irrigation pumps in India , the Ashden Awards have always had a focus ...

Ocean life on the brink of mass extinctions: Study

Ocean life on the brink of mass extinctions: Study

straitstimes.com 21 Jun '11, 10am

Life in the oceans is at imminent risk of the worst spate of extinctions in millions of years due to threats such as clima...

This headline from @mongabay says it all: “Ocean prognosis: mass extinction"

This headline from @mongabay says it all: “Ocea...

news.mongabay.com 20 Jun '11, 4pm

Longline fishing still drowning over a quarter million seabirds every year (06/08/2011) A new analysis estimates that long...