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Sustainable Development

The Planetary Society's Solar Sail Is Ready To Deploy in Low-Earth Orbit

On Wednesday morning, a Mylar sheet the size of a boxing ring should pop out of a satellite that’s the size of a loaf of bread and make life for anyone who wants to l...

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Environment

Animation Shows Alarming Trend in the Arctic Ocean

No, it's not an ultrasound of someone's internal organs. Its sea ice in the Arctic Ocean melting because of climate change. ?Scientists have been using satellites to monito...

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Environment

Climate change and the rise and fall of civilizations

Shifts in climate – both large and small – are at least partly responsible for the rise and fall of many ancient civilizations. Could today’s climate chan...

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