Earth

Global warming has been making mankind think of the future of human existence. To define global warming it is basically the gradual heating of Earth's surface, oceans and the atmosphere caused by human activity primarily by burning of fossil fuel that pumps (CO2) Carbon Dioxide, methane, and other gases into the atmosphere due to industrial revolution. It is the average increase of Earth’s temperature. Global Warming is related to Climate Change which in the 20th century is o