Solar energy has huge potential. Theoretically, one hour of solar energy could power the world's energy needs -all 7(+billion people - for how long? Georgetown Texas is as "right-wing" politically as you can get. This need not be a partisan issue. Other than climate, it makes economic sense. The main problem (other than people's ignorance) is Big Oil, as it hurts their profits Lastly, as Gore notes earlier in the film, one can choose despair vs hope. Gore chooses hope, with the film ending with him greeting the young generation.

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