Can we go 100% renewable – I don’t think so but with a good mix we can get close…

in the UK energy use is around 5kW per person per day of which 1kW is electricity – the rest is gas, cars, machines – domestically and industrial. We need to get down in total to around 2 kW per person per day. In the USA it is more at around 10kW pp and worldwide it is around 3kW. Can the planet sustain an average of 3kW pp for the whole world (and what of the future as world population grows?). Can we generate 20TW of power spread over nuclear, solar, geothermal, wind and biomass?

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