The ozone layer is being damaged by pollutants in the air that are mostly man-made, such as chlorine and bromine. The ozone damage occurs in the stratosphere and troposphere. The lower pollution in the troposphere has ma... More »

The ozone layer, which is part of the stratosphere, is comprised of the major atmospheric gases nitrogen, oxygen and argon, but also contains a significantly higher concentration of the trace gas ozone than the other lay... More »

The ozone layer, also called the stratosphere, has a primary function of absorbing ultraviolet sunlight. The absorption of ultraviolet rays has many effects, such as atmospheric temperature regulation and protection of b... More »

Ozone-depleting substances, such as chlorofluorocarbons, cause damage to the ozone layer. These chemicals break down in sunlight, releasing chlorine and bromine atoms into the atmosphere. The atoms break the bonds betwee... More » Science Environmental Science Human Impact

The halogen family comprises group 17 of the periodic table of elements, and includes fluorine, chlorine, iodine, bromine and astatine. The elements in the halogen family share the qualities of being non-metals, and exis... More » Science Environmental Science Human Impact

People can help stop the depletion of the ozone layer by not buying or using portable fire extinguishers that contain halons. People can also carpool, use public transportation, make sure no gas spills when handling fuel... More »

According to the International Atomic Energy Agency, nuclear power offers the ability to generate large amounts of energy from a relatively tiny amount of fuel, without releasing carbon dioxide and other air pollutants r... More »