for
- absurdity of indefinite economic growth - energy projection example of recent energy trends
-absurdity of indefinite economic growth - energy projections
- Energy growth has typically been 2–3% per year since early 1900's.
- This is approximately equivalent to 10x each century
- Present-day energy output is 18 TW and extrapolates to -
- approx.100 TW in 2100,
- approx. 1,000 TW in 2200, etc.
- In 400 years, from today, we would exceed the total solar power incident on Earth
- In 1300 years from today, we would exceed the entire output of the Sun in all directions
- In 2400 years from today, we would exceed the energy output of all 100 billion stars in the Milky Way galaxy
- This last jump is made impossible by the fact that even light cannot cross the galaxy in fewer than 100,000 years. - Hence, physics puts a hard limit on how long our energy growth enterprise could possibly continue