Change in primary energy consumption as a percentage of the consumption of the previous year, using the substitution method.| Our World in Data
Where is humanity going? How realistic is a future of fusion and space colonies? What constraints are imposed by physics, by resource availability, and by human psychology? Are default expectations grounded in reality?| Open Textbook Library
4% chance. https://en.wikipedia.org/wiki/Dyson_sphere| Manifold
Fermat's Library is a platform for illuminating academic papers.| Fermat's Library
[An updated treatment of this material appears in Chapter 1 of the Energy and Human Ambitions on a Finite Planet (free) textbook, and also appears as part of an article in Nature Physics in 2022.]| Do the Math
Explore data on how energy production and use varies across the world.| Our World in Data