10 ideas about #cleanenergy have been added on IdeaMill.
The maritime industry should harness ocean power, a vast (and unexploited) source... Read more
Rechargable sand batteries
Replace lithium batteries with sand ones for cleaner energy storage Read more
solar powered tents
Interior lights and phone charger – no problem. With a solar-powered tent,... Read more

Portable mini hydro power plant
A mini hydroelectric power plant, which can be deployed to an place... Read more