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Cambridge University physicist, David Mackay, in a passionate, personal analysis of the energy crisis in the UK, in which he comes to some surprising conclusions about the way forward. The film is based on his new book Sustainable Energy without the hot air, in which Prof Mackay has calculated the numbers involved for the [...] EnergyForEarth.net – DIY Solar Panel Saves 33% on Electricity Bill How to have hot water in your house for free, 24 Very easy and cheap way DIY Solar Hot Water Heater Saves 33% on Electricity Bill advantages alternative benefits bill build cell cells cheap conservation cost costs diy earth earth4energy earthenergy efficiency efficient [...] |
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