For the bulk of human history, people used renewable energy.
They burned plant material, usually wood to create fires for light, warmth, and cooking.
Following the birth of agriculture 10,000 years ago, animals and human muscle power was used to plow fields, carry burdens, and pull up water from wells.
Only much later, with the Industrial Revolution, people began to exploit non-renewable fossil fuels, such coal, and later, oil and gas.
These concentrated energy sources made the creation of modern civilization possible, and today we have become energy addicts consuming more and more as the world develops.
However, this cannot continue.
People may debate how much oil coal is