Opinion: Climate change has finally reached a tipping point that we can welcome


NEW YORK (Project Syndicate)—Like most worthwhile pursuits, reducing carbon pollution comes with costs. If it didn’t, climate change wouldn’t be a problem in the first place—at least not from a narrow economic perspective. But climate change, and what it demands of us, is also a deeply political issue.

Now that the direct economic costs of climate action have declined, the debate is shifting to the political and social difficulties of moving away from fossil fuels and toward a low-carbon, high-efficiency world.

On the matter of economic costs, climate action is becoming more affordable across the board. The costs of solar photovoltaic (PV) panels have plummeted by over 85% in under a decade, and by well over 99% since the first panels found their way onto people’s roofs in the early 1980s.

The green transition…

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