Bill Gates just released a climate science equation that explains how the world can lower carbon dioxide emissions “down to zero,” according to the 2016 edition the annual letter he and his wife, Melinda, published. This letter went online on Monday (Feb. 22).
Problem is, the equation isn’t exactly new. It’s widely known in the climate science community as the Kaya identity, and was reviewed in the scientific literature in 2002 in the journal Proceedings of the National Academy of Sciences.
“My guess is that he had seen this somewhere in the past, and sort of forgot where it came from,” Mann said. “And thought that maybe he had come up with it. I’ll give him the benefit of the doubt.”