Sentences with phrase «for ozone layer»

-LSB-[Is the smoke from all of these that i mentioned part of the cause for the ozone layer to be thinning?]-RSB-

Is the smoke from all of these that i mentioned part of the cause for the ozone layer to be thinning?

UNEP has used this approach repeatedly for Regional Seas, and in fact developed an action plan for the ozone layer in 1976.

Atmospheric concentrations of LLGHGs have increased (see Chapter 2) and are expected to continue to increase, with consequences for the ozone layer.

What this means for the ozone layer is not exactly clear.

Update on SF6 Use and Emissions from Japan's Magnesium Casting Industry, Kiyoshi Hara, Secretary General, Japan Industrial Conference for Ozone Layer Protection

Posted in Financing, News Comments Off on Hundreds of Millions of Dollars Committed to Developing Countries for Ozone Layer Protection

Now the scientists and negotiators behind the Protocol are taking on a new problem: the climate warming effects of chemicals that were supposed to be better for the ozone layer.

Coincidentally the patents were due to expire, and it was claimed that chlorine was bad for the ozone layer.

But cars exhausts are very dangerous for the ozone layer.

Is the smoke from all of these that i mentioned part of the cause for the ozone layer to be thinning?

Not exact matches

We have, for example, already taken some measures to deal with one of the probable causes of the growing holes in the ozone layer, and to reverse the destruction of European forests by acid rain.

If religion in today's world still supplies (in Peter Berger's words) the «sacred canopy» for our ordinary lives, it has surely become as precarious a canopy as the thinning ozone layer.

Ozone depleting substances (ODSs) are those substances which deplete the ozone layer and are widely used in refrigerators, airconditioners, fire extinguishers, in dry cleaning, as solvents for cleaning, electronic equipment and as agricultural fumigOzone depleting substances (ODSs) are those substances which deplete the ozone layer and are widely used in refrigerators, airconditioners, fire extinguishers, in dry cleaning, as solvents for cleaning, electronic equipment and as agricultural fumigozone layer and are widely used in refrigerators, airconditioners, fire extinguishers, in dry cleaning, as solvents for cleaning, electronic equipment and as agricultural fumigants.

Under the Montreal Protocol on Substances that Deplete the Ozone Layer, methyl bromide can only be used for a non-Quarantine and Pre-Shipment application if a critical use exemption has been approved by the Parties to the Montreal Protocol.

As the Montreal Protocol marks its 25th anniversary — the UN Day for the Preservation of the Ozone Layer — its legacy lives on, tugging and pulling at the sleeves of international efforts to address climate change.

Volcano - fueled holes in Earth's ozone layer 252 million years ago may have repeatedly sterilized large swaths of forest, setting the stage for the world's largest mass extinction event.

«We are quickly running out of time to prevent hugely dangerous, expensive, and perhaps unmanageable climate change,» wrote the report's authors, who include former U.N. Environment Programme chief Achim Steiner and Mexican chemist Mario Molina, who won the Nobel Prize for his role in discovering the threat that chlorofluorocarbon gases pose to the Earth's ozone layer.

The ozone layer — a high - altitude expanse of oxygen molecules that protects us from the sun's ultraviolet rays — has been on the mend for the past decade or so.

Good news for fans of planet Earth: The seasonal hole in the ozone layer over Antarctica was at its second - smallest point in the past 20 years, according to new research from NASA and the National Oceanic and Atmospheric Administration (NOAA).

Such sulfuric acid aerosols are already responsible for the bulk of nacreous clouds that form in the polar stratosphere; added particles would just amp up the natural process (although it might also amp up damage the ozone layer).

The images above show the Antarctic ozone hole on September 16 (the International Day for the Preservation of the Ozone Layer) in the years 1979, 1987, 2006, and ozone hole on September 16 (the International Day for the Preservation of the Ozone Layer) in the years 1979, 1987, 2006, and Ozone Layer) in the years 1979, 1987, 2006, and 2011.

The magnitude of our environmental problems, such as global warming and loss of the ozone layer, is forcing us to delve into the past and into other philosophies for an answer.

«I'm inclined to believe that we're not giving Mother Nature enough credit for being able to replenish the ozone layer,» said Congressman Tom DeLay, the Republicans» whip in the House of Representatives.

HCFCs are themselves replacements for chlorofluorocarbons (CFCs), ozone - destroying chemicals banned under the 1987 Montreal Protocol on Substances that Deplete the Ozone Lozone - destroying chemicals banned under the 1987 Montreal Protocol on Substances that Deplete the Ozone LOzone Layer.

The European Union has indicated its support for tightening restrictions on HFCs, which are greenhouse gases, under the Montreal Protocol, a pact designed to protect the ozone layer.

The production of these substances has been regulated and largely prohibited already for more than 20 years by the Montreal Protocol and further international agreements on the protection of the ozone layer.

In addition, particles of these clouds may descend and withdraw reactive nitrogen from the chlorine - activated layer — active chlorine is one of the substances mainly responsible for ozone destruction.

In 1994 the Chrysler Corporation had a gaggle of hapless cartoon penguins peer through a hole in the ozone layer in its ad for new vehicles fitted with air conditioners free of destructive chlorofluorocarbons.

Some scientists suggest that giant radiation flares could deplete the ozone layer of a planet by 94 % for two years and could even be fatal for all life.

That star, called Eta Carinae, could explode like SN 2006gy, which «probably wouldn't be good for Earth,» Corcoran says, because the event could destroy communications satellites and damage the planet's healing ozone layer.

Methyl bromide may be responsible for as much as 10 per cent of the thinning of the ozone layer over Antarctica today.

Experts say the study provides the strongest evidence yet that a degraded stratospheric ozone layer causes more hazardous conditions for life on the planet's surface.

Blamed for everything from E numbers to the destruction of the ozone layer, the chemicals industry has every reason to feel unloved, despite the widespread benefits that it has brought to every aspect of daily life, not least the paper and inks that bring us New Scientist every week.

The figure for the column between 12 and 20 kilometres altitude was a record low of 18 Dobson units, representing a loss of 83 per cent of the ozone in that layer.

Two of the outdoor experiments on the HTV's first flight are a NASA ionospheric and thermospheric mapping device, and a JAXA system for monitoring the ozone layer's chemistry.

For example, they say, injecting sulfate particles into the atmosphere would largely destroy the ozone layer over the Arctic and set back attempts to mend the «hole» that appears seasonally over the Antarctic.

At a symposium in Germany last week, atmospheric chemists debated for the first time whether aircraft should be banned from the stratosphere in order to protect the ozone layer.

Ueno says that once aerosols are in the stratosphere they become very stable and can last for years, compared with days or weeks in the troposphere, and they can activate compounds such as chlorine that destroy the ozone layer.

If the troposphere's OH filter is indeed less effective than scientists thought, he says, the west Pacific would provide «a potentially very important avenue for the injection» of pollutants that could damage the ozone layer.

That there hole in the ozone layer gets blamed for all sorts of mischief.

The U.S. and European researchers, who work for government and industry, were part of a group that advises policymakers on the Montreal Protocol, the 1987 pact that curbed the use of chemicals that harm the ozone layer.

It's formula is C21H27FO6, making it a hydrofluorocarbon — a category of compounds perhaps best known for replacing chlorofluorocarbons (CFCs) when their role in the destruction of the ozone layer was discovered.

Some air conditioners still use chemicals that deplete the ozone layer and demand for air - conditioners is expected to rise as a result of global warming, so green buildings could help counter this demand.

The ozone layer would disappear for several years, allowing deadly ultraviolet radiation to reach the Earth's surface and kill many species.

Certain particles may have a damaging effect on the ozone layer, vital for keeping harmful UV rays away from the surface of the Earth.

The eruptions released enough bromine to leave the ozone layer partly damaged for several years afterward, the scientists now estimate.

Ozone should recover to its pre-1980 levels by the middle of this century and slightly later for Antarctica where the protective gas layer gets extremely thin between August and December every year, the WMO reportedly said, adding that the process can be speeded up by almost 11 years if existing stocks of ozone - depleting products, such as those found in old refrigerators and fire extinguishers are destrOzone should recover to its pre-1980 levels by the middle of this century and slightly later for Antarctica where the protective gas layer gets extremely thin between August and December every year, the WMO reportedly said, adding that the process can be speeded up by almost 11 years if existing stocks of ozone - depleting products, such as those found in old refrigerators and fire extinguishers are destrozone - depleting products, such as those found in old refrigerators and fire extinguishers are destroyed.

By 2060 the ozone layer is effectively extinct and without it, the Earth's surface is a much less friendly place: You would only have to be outside for about five minutes to get sunburned and the incidence of skin cancer would increase substantially.

The report credited the Montreal Protocol, which it called «one of the world's most successful environmental treaties,» for the recovery of the ozone layer, which it projects will help prevent two million cases of skin cancer by 2030, besides preventing damage to humans» immune systems as well as wildlife and agriculture.