HOT & COLD MEDIA SPIN CYCLE: A CHALLENGE TO JOURNALISTS WHO COVER GLOBAL WARMING
This graph purported to show that temperatures in the Northern Hemisphere remained relatively stable over 900 years, then spiked upward in the 20th century presumably due to human activity. Mann, who also co-publishes a global warming propaganda blog reportedly set up with the help of an environmental group, had his “Hockey Stick” come under severe scrutiny.
The “hockey stick” was completely and thoroughly broken once and for all in 2006. Several years ago, two Canadian researchers tore apart the statistical foundation for the hockey stick. In 2006, both the National Academy of Sciences and an independent researcher further refuted the foundation of the “hockey stick.” http://epw.senate.gov/pressitem.cfm?party=rep&id=257697
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