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Wind turbine payback

US researchers have carried out an environmental lifecycle assessment of 2-megawatt wind turbines mooted for a large wind farm in the US Pacific Northwest. Writing in the International Journal of Sustainable Manufacturing, they c ...

Jun 16, 2014 4.5 / 5 (12) 1

Recycling the next generation

About 70 billion tons of raw materials are extracted world wide annually. That is twice as much as at the end of the 1970s. This trend is continuing – even with finite resources. One way to have enough ...

May 01, 2014 3.7 / 5 (3) 1

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