Energywww.Knowledge.Allianz.com Can the world live without oil, gas, and coal? Get answersSearch ResultsRenewable energy – Wikipedia, the free encyclopediaRenewable energy is energy generated from natural resources such as sunlight, wind, rain, tides, and geothermal heat, which are renewable (naturally …en.wikipedia.org/wiki/Renewable_energy – Cached – Similar – National Renewable Energy Laboratory (NREL) Home PageFacility of the US Department of Energy (DOE) for renewable energy and …