Yesterday's David Middleton Sustainability Conference was excellent for its well-chaired meeting, fine speakers and discussion groups.
However, it was notable for green organisations and groups wanting anything electric, anything hydrogen and for one person I spoke to who was strongly in favour of HS2.
Electricity generation comes very largely from finite fossil fuels, as does hydrogen. Nuclear power is another favourite for some. Yet, that may also emit more greenhouse gas emissions in its construction than what it saves when it eventually is up and running and giving electricity. Is that true?
Which renewable gives the least greenhouse gas emissions in its construction?
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