Global Warming is sometimes referred to as the greenhouse effect. The greenhouse effect is the absorption of energy radiated from the Earth's surface by carbon dioxide and water vapor, ozone (O3), as well as other gases. These certain gases that occur naturally in the atmosphere tend to trap the sun's heat, which is called global warming. By trapping in the

Some topics in this essay:
Global Warming, global warming, , greenhouse effect, carbon dioxide, sun's heat,