Sentences with phrase «ozone depleting chemicals through»

The Montreal Protocol has a proven track record for effectively providing financial support for the phase - out of ozone depleting chemicals through contributions and technology transfer.

Not exact matches

To determine whether declining pollutants deserve credit for the recovery, the researchers used a 3D atmospheric model to separate the effects of the chemicals from those of weather, which can affect ozone loss through winds and temperature, and volcanic eruptions, which deplete ozone by pumping sulfate particles into the upper atmosphere.

The movement of ozone - depleting chemicals through the atmosphere, shifting from the tropics and concentrating in Antarctica.

As a result of the discovery of ozone depletion and the scientific advances that delineated its causes, efforts to reduce the production, and ultimately the atmospheric concentrations, of ozone - depleting chemicals were begun in the late 1980s through the ratification of the Montreal Protocol on Substances that Deplete the Ozone Layer by many countries across the gozone depletion and the scientific advances that delineated its causes, efforts to reduce the production, and ultimately the atmospheric concentrations, of ozone - depleting chemicals were begun in the late 1980s through the ratification of the Montreal Protocol on Substances that Deplete the Ozone Layer by many countries across the gozone - depleting chemicals were begun in the late 1980s through the ratification of the Montreal Protocol on Substances that Deplete the Ozone Layer by many countries across the gOzone Layer by many countries across the globe.

NOAA scientists are leading efforts in assessing alternative chemicals for possible use as replacements to ozone depleting gases through laboratory study.

With one exception — stabilization of the ozone layer through strict regulation of ozone - depleting chemicals — they found that not enough progress has been made to avert the massive environmental problems apparent in the late 20th century.