The Arithmetic of Sustainability - Part 4: Winning the Heat War13 March 2020·1424 words·7 minsSustainability and Future Renewable Energy Wind-Power Solar Energy Energy-Limits Sustainable-Resources Sustainability Policy and Critique Systems ThinkingBritain needs 48 kWh/d per person from renewables. This post calculates the physical limits of wind, solar, and other local renewable resources.