How Solar and Wind Got So Cheap, So Fast
This story originally appeared on The Atlantic and is reproduced here as part of the Climate Desk collaboration.
A funny change has happened this year: People have become tepidly optimistic about climate change.
That’s not because the U.N. climate negotiations currently under way in Paris look like they might succeed, or because the United States is finally getting serious about a clean-energy policy. And it’s not because humanity is any less likely to overshoot the 2-degree Celsius target that spells dangerous levels of global warming.