The organizing number is 51 billion—the tons of greenhouse gases the world adds to the atmosphere each year—and Gates frames the challenge as eliminating that figure across five sectors: making things (31%), electricity (27%), growing things (19%), transportation (16%), and heating and cooling (7%).
The book’s central analytical tool is the “Green Premium”: the cost difference between a high-emission product or process and its clean alternative. Gates argues that the policy goal should be to drive this premium toward zero across hard-to-abate sectors through R&D investment, deployment incentives, and market signals. He pairs this with five recurring questions readers should ask of any climate proposal, covering scale, cost, sector, units, and energy supply.
Gates is a clear technology optimist: he treats innovation and the deployment of clean alternatives that beat fossil fuels on cost as the binding constraint, while giving comparatively less weight to behavioral change. He advocates for renewables, advanced nuclear (he chairs TerraPower), and carbon capture, and devotes meaningful attention to adaptation for vulnerable populations already affected by warming. Published during the pandemic, the book uses COVID as a recurring reference point for emergency mobilization.
The book has been both well-received and criticized—particularly around its billionaire-investor framing, nuclear advocacy, and relative emphasis on technology over political mobilization.
• Title: How to Avoid a Climate Disaster
• Author: Bill Gates
• Type: Book
• Publisher: Alfred A. Knopf
• Publication time: February 16, 2021
• Publication place: United States