What Will Turn Us On in 2030?

Billions of dollars each year are poured into the development of solar, nuclear, biological, and other energies to substitute for fossil fuels. But so far, issues of cost, efficiency, and scalability call into question the arrival of the next era of energy. Can any alternative sources become viably competitive with fossil fuels? What can we – as individuals, businesses, and governments – do to accelerate the rise of clean energy?

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