He is in it to promote truth. My brother is a chemist/scientist who knows Dr. Greer, and has been working in researching and promoting alternative engery sources for many, many years. These sources are out there, the ideas are out there but it's hard to find the money to develop and promote.
My bro was a guest on C2C a few weeks ago. I may be partial but it was an interesting interview (so was the first guest)
Want to read up? He also co-wrote a book with Jeanne Manning, titled "BreakThrough Power"