Instead of burning wood for heat, some Europeans now build a compost pile over plastic water lines that extract heat from the decomposing plant material. Temperatures can get as high as 149 degrees. With a circulating pump as the only moving part, the com
photo provided by Principle Power shows a WindFloat Prototype handoff to ocean going tug vessel, Sado River Estuary near Setubal, Portugal. Massive wind turbines could end up floating in deep ocean waters off Hawaii's shores under pr
Offshore wind firm, DONG Energy, soon to be renamed Orsted, says big European companies are increasingly interested in buying renewable power directly from renewable developers as they seek to reduce their carbon footprint.