As early as 2018, solar could be economically viable to power big cities. By 2040 over half of all electricity may be generated in the same place it's used. Centralised, coal-fired power is over. Full story here.
PLT photo.
PLT photo.
International Institute for Sustainable Development (IISD) A PinP photo. With the current drop in the price of oil, now is an ideal moment t...
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