And of course the real answer about a revolution is I don't know, something will happen and I'll tell you after it happens, whether geothermal turned out huge or fusion turns out huge or increased recovery techniques. To me, the biggest challenge, 2 billion people on the planet cook their daily meals and warm their houses by burning wood, dung, and agricultural waste indoors. 2 to 3 million easily preventable deaths alone, a quarter of humanity. Women completely not liberated. They're slaves of gathering wood, standing over fires, stoking the fires. (35:42–35:54)
CLAIM
Asserts that 2 billion people rely on traditional biomass for cooking and heating.
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