How climate-friendly waterwheels are coming around again

From the Himalayas and Nepal to Northern Ireland, sustainable source of energy seems to be back in vogueIn the foothills of the Himalayas, a group of villagers hauled a sturdy metal waterwheel into place. Its horizontal blades soon caught the rushing water of the stream directly below it. The machine began to spin, and electricity began to flow.The roughly 2-metre-tall waterwheel, installed in a village in Kashmir, India, was the result of years of design work and development by researchers at the Technical University of Munich (TUM) and partners. Continue reading...