21st Century Energy: Some Sobering Thoughts

An impartial examination of some basic principles reveals five factors that will make the transition to a non-fossil world far more difficult than is commonly realised. These are: the scale of the shift; the lower energy density of the replacement fuels; the substantially lower power density of renewable energy extraction; intermittency of renewable flows; and uneven distribution of renewable energy resources.

5:05 pm  •  4 February 2010  •  4 notes