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I ran across a special filmed in Denmark on YouTube. It is called "The Cloud Mystery." I liked it so much I bought a book by the same scientist called The Chilling Stars.

The scientist is named Svenmark; he's a Dane. Here is his theory which seems pretty solid:

Cosmic rays are necessary for cloud formation. When they hit the earth's atmosphere they produced charged droplets which attract other molecules of water, forming clouds. More cosmic rays mean more clouds. More clouds means more heat is reflected back into space, causing cooling.

When the sun is active, it produces a stronger magnetic field which deflects some of the cosmic rays from earth, making fewer clouds and more heat. When the sun is "lazy" (like right now) more cosmic rays reach the earth and there are more clouds, hence cooler.

He had a pretty convincing correlation between solar activity and temperature, and also did experiments producing clouds in a chamber with cosmic-type rays.

He even correlated ice ages with cosmic rays. The solar system orbits around the Milky Way over hundreds of millions of years. When the solar system passes through an area of heavy star concentration, the cosmic rays produced by the extra stars overwhelm any effect the sun has, and the earth cools significantly, causing ice ages. He had done work with an Israeli astronomer to correlate the times of ice ages with passage through those star belts.

I highly recommend looking for that special on line. It has English subtitles in the few areas where people aren't speaking English. It convinced me, and although I haven't worked professionally in years, I do have a degree in geology.

I posted a thread from the JoNova website on that Cloud theory...it is on the keyword list ,...I'll see if I can chase it down...

Weekly Standard has a great article coming in the March 25 issue....the cover:

FR Thread:

In Denial ( The meltdown of the climate campaign. )