The world is a greenhouse. The role of the atmosphere is to insulate and warm the surface of the earth. The greenhouse effect is not a new phenomenon. Humans can help reduce the increasing greenhouse effect. The atmosphere insulates and warms the surface of the earth. Incoming solar radiation passes through the atmosphere. The surface of the earth absorbs some of the radiation. The unabsorbed radiation is emitted back out in the form of infrared radiation. Gases, such as, carbon dioxide, methane, nitrous oxide, and water vapor absorb the reflected infrared radiation. These gases re-emit infrared radiation, some of Continue reading...