For instance, tropospheric ozone is a powerful greenhouse gas and particulate pollutants can have strong effects on local and regional climate.

In the case of ozone depleting substances with high global warming potential, greenhouse gas emissions can also be directly avoided or reduced through accelerating the phase out of such substances.

Ozone depletion

C. Stratospheric ozone

C. Changes to the Ozone Secretariat website invitation for suggestions The Ozone Secretariat is in the process of making changes to the Ozone website.

In addition to the above noted activities, scientific and other research related activities that were reported on included studies on ozone variation, temperature influences on ozone, the interaction between ozone and climate and climactic profiles of ozone.

The full assessment reports can be viewed at http www.unep.org ozone and http www.unep.ch ozone

The full assessment reports can be viewed at http www.unep.org ozone and http www.unep.ch ozone

Source Ozone Secretariat database.

Deplete the Ozone Layer

Deplete the Ozone Layer

ODS ozone depleting substances

Ozone Depletion 50 million

Trafficking in ozone depleting substances

Current state of the ozone layer.

To request the Ozone Secretariat to

Source calculated from Ozone Secretariat data

illegal trade in ozone depleting substances

Illegal trade in ozone depleting substances is controlled by the 1987 Montreal Protocol on Substances that Deplete the Ozone Layer, which aims to gradually reduce and finally phase out all ozone depleting substances.

Those Parties who celebrated Ozone Day this year are to be commended and all Parties are urged to consider celebrating Ozone Day as a way of promoting awareness both of the ozone regime and of the continuing need for vigilance in our efforts to protect the ozone layer.

Their values vary from gas to gas.

Ozone Day celebration As noted above, the Secretariat helped celebrate Ozone Day in 2005 in Vienna, through the conduct of a seminar on the ozone regime and the reception hosted by the Government of Austria.

All of these ozone depleting substances contain either chlorine or bromine (substances containing only fluorine do not harm the ozone layer).

A5 countries classified according to UNEP regional networks of ozone officers A5 countries only, including Turkey Calculated from Ozone Secretariat data.

on Substances that Deplete the Ozone Layer

Ozone is tri atomic oxygen, O3 ozone molecules absorb harmful UV light in the atmosphere before it reaches the surface of the earth.

Future ozone concentrations are mainly driven by the changes in stratospheric halogen loading, with ozone recovery occurring after the peak of halogen loading.

Montreal Protocol Montreal Protocol on Substances that Deplete the Ozone Layer, 16 Sept. 1987, as amended, http www.unep.org ozone pdfs Montreal Protocol2000.pdf.

Regional Network Coordination for Ozone Depleting Substances

Monitoring and preventing illegal trade in ozone depleting

Gas

The Bahrain National Gas Company operates a gas liquefaction plant that utilizes gas piped directly from Bahrain's oilfields.

Likewise, export licensing systems or bans for re exporting ozone depleting substances were rare, as were import prohibitions for equipment containing ozone depleting substances.

More limited production and consumption of HCFC 22 in the period prior to phase out would further protect the ozone layer and reduce greenhouse gas emissions of HCFC 22 and HFC 23 produced as an unwanted by product of HCFC 22 production.

The Central European Gas Hub (CEGH) is established as an important gas trading platform on the gas routes from East to West and also operates a gas exchange.

In hot gas (gas turbine), turbines are driven directly by gases produced by the combustion of natural gas or oil.

They are implicated in the formation of ozone holes.

Decision XVII __ Preventing illegal trade in ozone depleting substances

Decision XVI 33. Illegal trade in ozone depleting substances

Gas is a similar issue. Gas is also a biological product. And as you think of gas, well, you're familiar with gas. And here's a different way of mining coal.

Gas bottle

Gas suppliers

Despite the hype about the shale gas revolution, the extraction cost of (onshore) conventional gas remains below that of shale gas.

The Montreal Protocol on Substances that Deplete the Ozone Layer of the Vienna Convention for the Protection of the Ozone Layer provides the framework for Parties to phase out the production and consumption of ozone depleting substances (ODS) according to a strict time table.

Replacing coal with natural gas does reduce greenhouse gas emissions, even if natural gas itself is not sustainable in the long term.