Thoughts on Bill Gates' book For Bill Gates, the case for net-zero is ārock solidā. The science is settled, and he is convinced that āthe only way to avoid disastrous outcomes is to get to zeroā. For readers already convinced of the āclimate crisisā and the imperative to go to ānet zeroā by 2050, his book holds no surprises. For those more skeptical of popular discussions of climate change, what is most striking is that Gates ā among the worldās most celebrated and successful data scientists ā is so curiously unaware or indifferent to data that challenges many of the presumptions contained in his book. Thus, for example, while Gates is aware of the low energy density and intermittency of solar and wind power (when the sun sets and the wind does not blow) and the prohibitive costs of batteries to store electricity at grid-scale, he nonetheless finds it imperative that we have policies āto force an unnaturally speedy transitionā. Net-zero ārequires the US to build as much wind and s...