Thought for the month

“There is nothing noble in being superior to some other man. The true nobility is in being superior to your previous self.” Probably W.L. Sheldon, US lecturer on ethics (1858 – 1907) rather than Ernest Hemingway.

Tuesday, 26 November 2013

Are ideas to cool the planet realistic?

The deliberate large-scale manipulation of the Earth's environment, called geoengineering, could be one way to cool the Earth or help reduce levels of carbon dioxide in the atmosphere.

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