Dick Smith and other Mixed Nuts.
by NCTCS Secretary Anthony Cox
Some – perhaps all – of these technologies may be economically viable one day or in particular niches.
Image Source here.
It turns out that the great majority of this energy, 10.2% out of the 13.8% share, comes from biomass, mainly wood (often transformed into charcoal) and dung. Most of the rest is hydro; less than 0.5% of the world’s energy comes from wind, tide, wave, solar and geothermal put together.