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'''Fred Singer''' is the co-author of ''Unstoppable Global Warming'', a book which describes the natural 1500-year cycle of ups and downs in the Earth's average air temperature.

'''S. Fred Singer''' is an internationally renowned climate physicist

and the co-author of ''Unstoppable Global Warming'', a book which describes the natural 1500-year cycle of ups and downs in the Earth's average air temperature.

*''Unstoppable Global Warming: Every 1,500 Years'' is filled with wit, style and scholarship. It presents surprising statistics that meticulously dissect the claims of well-funded environmental groups and uncovers little-known facts about [[global warming]]. [http://www.discovery.org/scripts/viewDB/index.php?command=view&id=252&program=&isEvent=true]

*''Unstoppable Global Warming: Every 1,500 Years'' is filled with wit, style and scholarship. It presents surprising statistics that meticulously dissect the claims of well-funded environmental groups and uncovers little-known facts about [[global warming]]. [http://www.discovery.org/scripts/viewDB/index.php?command=view&id=252&program=&isEvent=true]