The amount of carbon dioxide released into the atmosphere as a result of the activities of a particular individual, organization, or community.

A gradual increase in the overall temperature of the earth's atmosphere.

A layer in the earth's stratosphere at an altitude of about 10 km (6.2 miles) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun.

Chemical waste material capable of causing death or injury to life.

Economic development that is conducted without depletion of natural resources.

Energy from a source that is not depleted when used, such as wind or solar power.

It's a process that occurs when gases in Earth's atmosphere trap the Sun's heat.

A change in global or regional climate patterns.