Whilst in Wales we went to the Centre for Alternative Technology at Machynlleth. Great place and some new stuff since last time I went, although the fly's eye projector has gone. Picked up an interesting book, Tomorrow's World - Britain's Share in a Sustainable Future, published by Friends of the Earth because it looked like it had some good material for my Colony Alpha book. One interesting concept in it is that of Enviromental Space - defined as the share of the Earths (or another planets) resources that the human race can sustainably take. We are currently running at about two planets worth for the globe as a whole, eight(!) for the UK!
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