The world can be powered by alternative energy, using today's technology, in 20-40 years

Source: Stanford University

By Louis Bergeron

Feb 16, 2011

If someone told you there was a way you could save 2.5 million to 3 million lives a year and simultaneously halt global warming, reduce air and water pollution and develop secure, reliable energy sources — nearly all with existing technology and at costs comparable with what we spend on energy today — why wouldn't you do it?

According to a new study coauthored by Stanford researcher Mark Z. Jacobson, we could accomplish all that by converting the world to clean, renewable energy sources and forgoing fossil fuels.

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