How the UN is holding back the Sahara desert
8
votes
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How to make biomass energy sustainable again: Coppicing, pollarding, and hedgerows
14 votes -
Thermoelectric stoves: Ditch the solar panels?
9 votes -
Planet of the Humans
4 votes -
Too much combustion, too little fire
6 votes -
More than 100 tons of manure from 370 horses at the Helsinki International Horse Show was used to create 150 megawatt hours of energy
4 votes -
Denmarkâs climate aspirations going up in smoke? International researchers lambast Danes for burning wood and calling it green
7 votes