Natural sources that provide energy, categorized into non-renewable and renewable types.
Fossil fuels like coal, oil, and gas, formed from ancient organic remains, but environmentally harmful.
Clean energy alternatives such as solar, wind, hydroelectric, geothermal, and biofuels, replenished naturally.
Utilizes sunlight for electricity through technologies like solar panels, with both passive and active methods.
Captures wind power with turbines, generating electricity without pollution, but requires consistent wind.
Harnesses water flow through dams to produce renewable electricity, perpetually replenished.
Taps into Earth's heat via geothermal sources and utilizes organic matter for biofuel production.