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• NASA Counts 4,700 Potentially Hazardous Near-Earth Asteroids tibidy.com Shared once coondoggie writes "NASA continues to get a better handle on the asteroids buzzing around in space saying today that there are roughly 4,700 potentially hazardous asteroids, or as NASA calls them PHAs. NASA says these PHAs are a subset of a larger group of near-Earth asteroids but have the closest orbits to Earth's – passing within five million miles (or about eight million kilometers) and are big enough to survive passing through Earth's atmosphere and cause damage on a regional, or greater, scale." | Tibidy

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• NASA report: 4,700 asteroids pose impact hazard to Earth — RT rt.com Shared 3 times About 4,700 asteroids of 100 meters diameter and larger represent significant threat to Earth in case of orbit intersection, a recent NASA report suggests. And only 30 per cent of them have been located so far, while the rest remain under the radar.

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• NASA estimates 4,700 'potentially hazardous' asteroids - CNN.com edition.cnn.com Shared once About 4,700 asteroids are close enough and big enough to pose a risk to Earth, NASA estimated Wednesday after studying data beamed back from an orbiting telescope.

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• Nasa: 4,700 asteroids are potentially hazardous to Earth (Wired UK) www.wired.co.uk Shared once Roughly 4,700 asteroids in the solar system could prove dangerous to life on Earth. That number comes from Nasa astronomers, who used the Wide-field Infrared Survey Explorer (Wise) to figure out the number of potentially hazardous asteroids in our cosmic neighbourhood

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• Earth’s 10 Most Likely Hotspots to be Obliterated by an Asteroid -NASA Tracks Potentially Hazardous Objects notsocrazynews.com Shared once Observations from NASA's Wide-field Infrared Survey Explorer (WISE)have led to the best assessment yet of our solar system's population of potentially hazardousasteroids. The results reveal new information about their total numbers, origins and the possibledangers they may pose. Potentially hazardous...

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• 350

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  act.350.org

• Canada axes green advisory body

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  www.guardian.co.uk

• Top 10 Green Gadgets

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  www.biofuelswatch.com

• Tories shut down ‘groundbreaking’ freshwater research station - The Globe and Mail

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• Vermont first state to ban fracking - CNN.com

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