Fuller, R.J.; Aye, Lu - In: Renewable Energy 48 (2012) C, pp. 326-332
most important energy sources for their populations. On a global scale, the energy contributed by human and animal power is … estimated to be twice that of wind power and 13% of hydro, the largest single contributor of the renewable energy sources. This … paper therefore argues that human and animal power should be included in the ‘family’ of renewable energy sources of solar …