The above is part two of a four part series. The video is not too good but the information is first rate.
Part 2 - shown above
And here is one scientist's research on why we may be cooling:
The Chilling Stars: The New Theory of Climate Change
And a forthcoming book:
Chill: A Reassessment of Global Warming Theory, Does Climate Change Mean the World Is Cooling, and If So What Should We Do About It?
Cross Posted at Classical Values