Global Warming, Pt III

My friend alerted me to some interesting links re: global warming.

• Canada's polar bears will be extinct within 25 years, scientist warns

• More species slide to extinction

The assertion that polar bears are near extinction doesn't seem to be free of controversy:
Polar Disasters: More Predictable Distortions of Science

• Here's another of the links, which, on the surface at least, seems more balanced:
  Heatwave in Europe, U.S. But Is It Climate Change?
  

Are the sea levels actually rising? I don't know.
Tuvalu won't disappear

• Another:
  Rising sea temperatures
  

But wait! This article claims the study mentioned above massaged the data to fit!
Man Blamed for Rising Sea Temperatures; Deforestation Blamed for Cooling; Arctic Sea Ice Thickness and Wind

I found several of the skeptical links on www.globalwarming.org. I don't find anything on SourceWatch that is too damning. It seems SourceWatch is grasping at straws, and playing at demonization, when it tries to draw connections to the tobacco industry. ExxonSecrets doesn't seem to have anything juicy about them either. I didn't explore the personel lists.

Sometimes I wish I was a scientist, so I could read this stuff all day, and, you know, be smart enough to sort out truth from BS.