There are three primary sources of material amounts of energy on Earth. The word material means an amount of energy greater than 2 {154653b9ea5f83bbbf00f55de12e21cba2da5b4b158a426ee0e27ae0c1b44117} of total worldwide energy demand combining all sectors of transportation, industrial, commercial residential, agricultural, potable water production and its movement. Energy sources such as thermal piles, batteries and the like are not considered material.
Where does energy on our planet come from?
Written by Tom Tamarkin