our electricity doesnt always just come from fossil fuels. different sources of electricity include:
· Nuclear
· Gas
· Hydroelectric
· Geothermal
· Thermal
· Coal
· Solar
· Wind
· Biomass
· Tidal
· Wave
all these envirnmentaly friendly sources are called green power. they are substite ways instead of fossil fuels because soon fossil fuels will run out. these are better for the environment and help save the planet. many electricity companies are starting to change to some of these and many big industial ones too.