- A web directory of Environment related sites: http://www.environ-links.com id[163]
A directory of carefully selected web sites offering free information as well as commercial products and services related to environment conservation and protection.
- A web directory of Environment related sites: http://www.environ-links.com id[164]
A directory of carefully selected web sites offering free information as well as commercial products and services related to environment conservation and protection.
- Greenhous effect: http://www.globalwarming-awareness2007.net.pl id[1030]
Global warming or the greenhouse effect refers to the increase in the average warming temperature of the earth’s atmosphere and oceans in recent decades.
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