John Carlos Baez@detritus - it's true that *more energy* won't save, only *less carbon emitted*. But the revolution in solar power is having some effects. Carbon emissions are dropping in the US and EU, as even this somewhat old chart shows (that trend is continuing). Unfortunately that trend was overshadowed by China's skyrocketing emissions. So I'd say our future depends a lot on what the Chinese and Indians do.
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