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Results 1 - 10 from 107 for man made substances in 0.250 sec.
Ozone
With the technological advances in the past century various man made substances have caused deletion of ozone from the Stratosphere. Depletion of ozone in the ... holes are formed, and why we should be worried about these holes. Widely known substances that cause Ozone Depletion Refrigerants Insulating Foams Solvents Aerosols Primary health issues caused ...
ozone.org
Air Capacity
This includes both man-made substances such as waste from nuclear power plants and hospitals, as well as naturally occurring radioactive substances ...
www.hq.nasa.gov
SoundNet - Cetaceans Fight For Survival, Against Man-Made Odds
Sunday 27th April 1997. Pursued to the Brink of Extinction,Cetaceans Fight For Survival, Against Man-Made Odds E/The Environmental Magazine - May June 1997 COVER STORY: By Elaine Robbins In the ... accumulate these toxins in their blubber by eating fish tainted with mercury, lead, and PCBs--substances that many scientists believe have caused everything from immune system and metabolic problems to ...
www.oceania.org.au
NEIA - Abydoz Environmental
PCB's, arsenic, and many other chemicals or man-made substances. Canada and the United States are the two primary markets of the company. Contact NEIA ...
neia.org
Science - The Antarctic Ozone Hole
January 1996, the atmospheric concentration of some of these man-made substances has begun to decline. Chlorine/bromine should reach maximum levels in the stratosphere in the ...
www.ozonelayer.noaa.gov
Deniers: Richard Lindzen - ExxonSecrets
Source: " ... forecast economic and technological change over the next century, and also because there are many man-made substances whose properties and levels are not well known, but which could be comparable in ...
exxonsecrets.org
OSPAR / Ospar Hazardous Substances Strategy
As its timeframe, the Hazardous Substances ...
ospar.org
OSPAR / List of substances of possible concern
OSPAR has developed a strategy (the Strategy with regard to Hazardous Substances) to ... on the selection of substances is: to consider new information on substances already on the List of Substances of Possible Concern; to consider information on new substances not addressed under ...
ospar.org
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The Nonsense That is Ozone-Depletion
Arctic. We have found that CFCs (Chlorofluorocarbons) which are man-made substances commonly used in refrigeration and aerosol cans, contain chlorine. And we know that chlorine can ... at mid-latitudes in the spring has been observed since the late 1950s, well before man-made pollutants could have had important impact on the stratosphere. The introduction went on to ...
ourcivilisation.com
Ozone Depletion | Ozone Hole | Stratospheric Ozone
Halocarbons Man-made substances including the chlorofluorocarbons and halons. Halons These man-made substances are similar to chlorofluorocarbons but contain bromine. ... defined as 'the presence of substances in the atmosphere, resulting from man-made activities or from natural processes, causing adverse effects to man and the environment'. Radiation ...
www.ozone-hole.org.uk
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