| A | B |
|---|
| Angle of Incidence | The angle at which the sun's rays hit Earth's surface |
| Deforestation | The cutting down of trees and other plants of a forest |
| El Nino | A series of weather changes on earth caused by a change from cold surface ocean water to warm surface ocean water in the eastern pacific ocean of western south america |
| Global Warming | A recent trend towards a warming of earth's surface and lower atmosphere possibly caused by human pollution |
| Greenhouse Gases | Gases such as carbon dioxide, water vapor, and methane, present in the atmosphere, which absorb long-wave infrared radiation |
| Heat Budget | The result of the balance between the total amount of energy an object receives and the total energy it emits, or loses |
| Ice Ages | Times of widespread glaciation outside of polar areas |
| Insolation | The part of the sun's radiation that is received by earth |
| Ozone | A three-atom molecule of oxygen that is a pollutant in the troposphere, but is important in the stratosphere where it absorbs much of the ultraviolet insolation from the sun |
| Sunspot | A darker region of the sun's visible surface |
| Transpiration | The process by which plants release water vapor into the atmosphere as part of their life functions |
