Sentences with phrase «as halons»

The discovery that CFCs — as well as halons, carbon tetrachloride, methyl chloride, methyl chloroform, and methyl bromides (collectively grouped as ozone depleting substances [ODS]-RRB--- were so damaging to the ozone, made worldwide headlines.

According to NASA, the major GHG's are: «Atmospheric gases that cause this effect include water vapor (H2O), carbon dioxide (CO2) and methane (CH4) and flourinated (high global warming potential gases, as well as halons).

Not exact matches

The Montreal Protocol and associated agreements have led to decreases in the atmospheric abundance of gases, such as CFCs (chlorofluorocarbons) and halons, once used in products such as refrigerators, spray cans, insulation foam and fire suppression.

Halons, used as fire extinguishers, have been banned since 1 January.

The Montreal Protocol agreement beginning in 1987 regulated ozone depleting substances, such as chlorine - containing chlorofluorocarbons and bromine - containing halons.

These include methane, nitrous oxide («laughing gas»), halons, methyl bromide and chlorofluorocarbons (CFCs), which are notorious as «ozone killers» because they play a major role in ozone depletion in the polar regions.

Firefighters have called on the world's users of halons not to destroy the ozone - depleting chemicals — or worse, release them into the air — as old fire - extinguishing systems are junked.

Some industrialised countries have built up large stockpiles of recycled halons, as none has manufactured the chemicals since 1994.

The stratospheric ozone layer has become substantially depleted throughout much of the globe since the 1980s because of enhanced human production and use of ozone - depleting chemicals, such as chlorofluorocarbons, halons, and others, during the 20th century.