05.07.2009
Gases such as water vapor, carbon dioxide, nitrous oxide and methane that are transparent to solar radiation but opaque to longwave radiation. Their action is similar to that of a glass in a greenhouse
Gases such as water vapor, carbon dioxide, nitrous oxide and methane that are transparent to solar radiation but opaque to longwave radiation. Their action is similar to that of a glass in a greenhouse
Generic term for any type of energy which is considered to have a lower environmental impact than commercially-produced energy
A geographic area where the gravitational attraction is significantly higher or significantly lower than normal.