Any plausible game plan for capping the rise of Earth’s surface temperature depends on replacing fossil fuels with energy sources that generate little or no carbon pollution. That means renewables, especially solar and wind, both of which face fewer constraints to growth than more established clean energy: a river can be dammed only so many times, and nuclear remains expensive and controversial. But humanity has dithered for so long in the fight against global warming,…
Renewables key in race against climate change clock
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