Staffan A. Qvist

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A nuclear power plant in Cattenom, France. Credit Julien Warnand/EPA, via Shutterstock

As young people rightly demand real solutions to climate change, the question is not what to do — eliminate fossil fuels by 2050 — but how. Beyond decarbonizing today’s electric grid, we must use clean electricity to replace fossil fuels in transportation, industry and heating. We must provide for the fast-growing energy needs of poorer countries and extend the grid to a billion people who now lack electricity. And still more electricity will be needed to remove excess carbon dioxide from the atmosphere by midcentury.

Where will this gargantuan amount of carbon-free energy come from? The popular answer is renewables alone, but this is a fantasy.…  Seguir leyendo »