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12th Meeting of the Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer Ouagadougou
Meeting of the Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer Ouagadougou 12th Meeting of the Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer ... . MOP-12 President Milton Catelin thanked K.M. Sarma (right) for his continued service to the Ozone Secretariat. At the meeting's end, the ENB team continued its work. ENB Summary of MOP11 and of ...
www.iisd.ca

The ozone layer, depletion and uv radiation
Potential; ODP, is described as a potential relative to that of CFC-11. The various ozone-depleting substances vary in the degree to which they contribute to the reduction of the ... used in buildings degrade faster. Source: UNEP/GEMS library series no 7: The Impact of Ozone layer depletion UV radiation. Definitions Ultraviolet RadiationUltraviolet radiation is divided into three types, according to ...
www.eco-action.org

The Stratospheric Protection Division | Ozone Layer Depletion | US EPA
Oversee and coordinate international technology transfer and infrastructure building programs, including programs related to both ozone layer protection and climate change. Assure reliable development of EPA's Sun Safety efforts, including the SunWise School Program and the UV Index, to communicate to kids ...
epa.gov

Numbering Scheme for Ozone-Depleting Substances and their Substitutes | Ozone Layer Depletion | US EPA
C). It is the chlorine that makes a substance ozone-depleting; CFCs and HCFCs are a threat to the ozone layer but HFCs are not. PFC is a special prefix meaning ... is written as PFC-218 and not PFC-218ca. Top of page Local Navigation Ozone Depletion Home Basic Information Ozone Science Regulatory Programs Alternatives / SNAP Partnerships Glossary EPA Home Privacy and Security Notice ...
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Ozone Depletion | Ozone Layer | Stratospheric Ozone
Volcanic eruptions are one of the few natural things that can have a diminishing effect on the ozone layer. Large eruptions can potentially inject significant quantities of chlorine (via hydrochloric acid - HCl) directly in the stratosphere where the highest concentrations of ozone are found. However, the vast majority of volcanic eruptions are too weak to reach the stratosphere, ...
www.ozone-hole.org.uk

Ozone Depletion | Ozone Layer | Stratospheric Ozone
It is transported by latitudinal air movements towards polar latitudes. Consequently, the amount of stratospheric ozone above a location on the Earth varies naturally with latitude, season, and from day-to- ... the Canadian Arctic and Siberia, whilst the lowest values are found around the equator. The ozone layer over Canada is normally thicker in winter and early spring, varying naturally by about ...
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Stratospheric Ozone
Web Site! As one of the early signatories to the Montreal Protocol on Substances that Deplete the Ozone Layer in 1987, Canada has made significant progress in reducing the emissions of ... by industry. This site provides information on the history of stratospheric ozone layer depletion, the science of ozone depletion, Canada?s Ozone Layer Protection Program and the regulatory approach to protect the ...
www.ec.gc.ca

Stratospheric Ozone Depletion tutorial
Stratospheric ozone depletion is a concern because the ozone layer in the stratosphere keeps 95-99% of the suns ultraviolet radiation ... atmosphere are being constructed in order to assist scientists in looking for other factors in Ozone depletion, evaluate their importance and predict what may happen to our atmosphere in the future. ...
www.nas.nasa.gov

Ozone: Good Up High, Bad Nearby
Currently, 160 countries participate in the Protocol. Efforts will result in recovery of the ozone layer in about 50 years. In the United States, the U.S. Environmental Protection Agency ... store food, making them more susceptible to disease, insects, other pollutants, and harsh weather. "Bad" ozone damages the foliage of trees and other plants, ruining the landscape of cities, national parks ...
www.policyalmanac.org

ozone
Scientists in the Global Atmospheric Change Program are tracking changes to ... the Australian Academy of Science's NOVA Web site. The Cancer Council Victoria Multimedia The ozone hole - a multimedia tour from the University of Cambridge Modified: 22 November, 2006 Legal Notice and ...
www.dar.csiro.au