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James Hansen, NASA’s top climate scientist, is one of the most impassioned and trusted voices on global warming. People listen closely to what he says about how drastically the climate is changing.
But when Hansen suggests what to do about it, many of those same people tune him out. Some even roll their eyes. What message is he peddling that few seemingly want to hear? It’s twofold: No. 1, solar and wind power cannot meet the world’s voracious demand for energy, especially given the projected needs of emerging economies like India and China, and No. 2, nuclear power is our best hope to get off of fossil fuels, which are primarily responsible for the heat-trapping gases cooking the planet.
Many in the environmental community say that renewable energy is a viable solution to the climate problem. So do numerous energy wonks, including two researchers who penned a 2009 cover story in Scientific American asserting that “wind, water, and solar technologies can provide 100 percent of the world’s energy” by 2030. Hansen calls claims like this the equivalent of “believing in the Easter Bunny and Tooth Fairy.”
Originally posted here: