The long-term prevailing weather conditions at a particular place based upon records taken.
The distance from the equator measured in degrees north or south of the equator
The name given to the short- term periodic change in location of warm and cold water masses in the Pacific Ocean.
The water in the Pacific Ocean is cooler than usual.
An area in the stratosphere where ozone is highly concentrated.
Human made chemicals.
A thinning of sratospheric ozone that occurs over the poles during the spring.
Polar stratospheric clouds
High altitude clouds made of water and nitric acid.
The gases that do absorb and radiate heat.
The predicted increase in global temperature.
Requires developed countries to decrease emissions of carbon dioxide and other greenhouse gases.