Sentences with phrase «ozone destroys the ozone»

Remember when we were told that ozone destroys the ozone and not to use hairspray that had aerosols?

Not exact matches

Koann Vikoren Skrzyniarz is the Founder and CEO of Sustainable Life Media and Sustainable Brands whose involvement with the intersection of environmental and human issues in business dates back to the mid-1980s when she launched international conferences on improving log utilization, reducing Waste Paper, and eliminating ozone - layer destroying chemicals (CFCs).

We can not blow up the world and continue to live on it; we can not destroy the ozone layer without risking skin cancer; we can not pollute all waters and be able to drink; we can not denude the surface of trees and expect the soil not to erode.

Why would God make it so complicated??? Seems like God would just say something like «Let there be life» and be done with it, and we wouldn't need an ozone layer, and there wouldn't be astroids or comets that could destroy us.

There they destroy the layer of ozone that screens out some of the sun s destructive rays.

On World Food Day, IFOAM — Organics International calls for an end to the use of toxic inputs that are destroying soils and ecosystems as well as emitting ozone depleting greenhouse gases (GHG).

In 2004, Looy and her former Ph.D. advisor Henk Visscher proposed one way this might have played out, bases on fossilized abnormal plant spores found worldwide: volcanic gases — halocarbons like methyl chloride and methyl bromide — destroyed much or all of Earth's ozone layer, boosting UV - B exposure that would have affected life and potentially increased the genetic mutation rates in pollen and spores of plants worldwide.

The measures don't reveal exactly how much bromine is in the upper atmosphere, where the ozone layer sits, but they can be used to predict how much of the ozone - destroying chemical will eventually make its way there.

The 1987 Montreal Protocol phased out ozone - destroying chemicals.

Simulations that don't include the effect of CH2Cl2 suggest that high - altitude ozone in the Antarctic will return to pre-1980 levels, the concentration measured before CFCs and other ozone - destroying chemicals were recognized as a problem, in 2065.

Using a 3D atmospheric model, the researchers separated the effect of the chemicals from those of weather and volcanic emissions, which can also destroy ozone.

10 Unfortunately, nacreous clouds also support chemical reactions that convert benign chlorine - containing molecules into a form that destroys Earth's ozone layer.

Like chlorofluorocarbons (CFCs) and several other ozone - destroying chemicals you may have heard of, CH2Cl2 breaks apart when struck by sunlight.

But the celebration may have been premature: Last spring, scientists discovered new ozone - destroying gases in the atmosphere.

An eerie «polar stratospheric cloud,» which destroys ozone at a rapid rate, hangs above Kiruna, Sweden, in January 2000.

When the temperature there dips below — 126 degrees Fahrenheit, ozone - destroying chemical reactions begin.

Similarly, Gordon Chin, a project scientist at NASA's Goddard Space Flight Center in Greenbelt, Maryland, proposed a mission that would explain why the same chemical processes that destroy ozone in Earth's atmosphere stabilize carbon dioxide in Venus's.

One of the unexpected consequences of the October 28 flare was a fivefold increase in ozone - destroying nitric oxide at 70 miles above Earth's surface.

«New ozone - destroying gases on the rise; not controlled by treaty.»

They found that water vapour and chlorine and bromine from vaporised sea salts would destroy ozone high in Earth's atmosphere at a much faster rate than it is naturally created (Earth and Planetary Science Letters, DOI: 10.1016 / j.epsl.2010.08.036).

By next week, 25 % of the Arctic ozone will be destroyed, scientists warn.

This is important, as a molecule of ozone lost in this region has a far larger impact on climate than a molecule destroyed at higher altitudes by longer - lived gases.»

This would mean, ironically, that production of ozone - friendly chemicals is actually releasing some ozone - destroying gases into the atmosphere.»

Those techniques have led to everything from the development of catalysts that remove poisonous carbon monoxide from car exhaust to the understanding of how ice crystals in stratospheric clouds supercharge atmospheric chlorine's ability to destroy the planet's protective ozone layer.

The chlorine, in turn, goes on to destroy ozone — but only in the presence of light.

Thirty years ago, the Montreal Protocol was agreed to phase - out chemicals destroying the ozone layer, the UV - radiation shield in the Earth's stratosphere.

CFCs, the main ozone - destroying chemicals, are to be banned in the European Union at the beginning of 1995.

But last month, the European Commission announced that it will allow companies to import 2000 tonnes of halons, with an ozone - destroying potential equal to 20 000 tonnes of CFCs.

Companies in Europe could import thousands of tonnes of banned or restricted ozone - destroying compounds this year because of a loophole in the Montreal Protocol, the international treaty that protects the ozone layer.

If the sun spews «superflares» as often as other stars, one could take down power systems, damage the ozone layer and destroy satellites in the next century

In addition to allowing firefighters to control fires from a safe distance, the FIT - 5 could also replace halon fluorocarbons, an effective fire - fighting tool until they were banned in 1994 after it was discovered that they destroy Earth's ozone layer.

The potent radiation would cook the atmosphere, creating nitrogen oxides that would destroy the ozone layer.

Robert Watson, a government official and co-chair of the scientific panel that advises the Montreal Protocol, said that laboratory experiments, computer models, and field measurements all support the conclusion that CFCs are destroying stratospheric ozone.

Bosch, one of the world's leading manufacturers of refrigerators, has decided to abandon HFCs, the chemicals industry's preferred substitutes for ozone - destroying CFCs, opting instead for chemicals such as pentane and isobutane.

The chemicals companies that make CFCs want refrigerator makers to switch to HFCs, which are similar to CFCs but do not contain the chlorine that destroys stratospheric ozone.

AMERICA's Republicans thumbed their noses at the vast majority of the world's scientists last week by claiming that there is no proof that CFCs are destroying the Earth's ozone layer.

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 notoriously mercurial polar weather is the main factor determining how much ozone is destroyed each spring, he says.

By next week, about 25 % of the Arctic's ozone will be destroyed, he says.

That's because the clouds catalyze the reactions that mobilize chlorine into active chemicals that can react in the presence of sunlight to destroy ozone.

Weather models are predicting some warming of the stratosphere this week, she adds, but probably not enough to halt the ozone destroying brew.

New research shows that some leafy green plants churn out methyl bromide, a chemical that helps destroy Earth's protective shield of ozone.

In the harsh sunlight of the upper atmosphere, methane can react with other gases to form water vapor, which then breaks down into other chemicals that destroy ozone.

Hamilton provides an example of why the upward airflow is so significant: «The manufacture of ozone - destroying chemicals such as the freon compounds used in the past in spray cans and in refrigerators has been largely banned for over 20 years.

Moreover, the warming makes the atmosphere damper (providing still more water vapor) and may cause the stratosphere to heat up, speeding the chemical reactions that destroy ozone.

Those compounds alone can destroy ozone, which helps block the sun's ultraviolet radiation.

Benítez says that a supernova could have gone off at a mere 100 light - years away — close enough to have blasted Earth with high - energy cosmic rays and destroy the ozone layer.

The dangerous pollutant ozone, it turns out, is destroyed by hair and body oils, an oddity revealed when researchers at Missouri University of Science and Technology compared washed and unwashed hair.

But per atom, bromine is 40 times as effective as chlorine at destroying the ozone layer.

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.