It would be better if he could spell and didn't sound so much like a kook.
He is certainly right about many many "University PHD types" being cut off from the real world and desperately seeking recognition, grants, fellowships etc. He is probably right about the climate as well. It is clear from shrinking glacier evidence that our planet is warming. It is probable that humans are playing a role in this. It is also very probable that natural forces play a much greater role.
The planet Mars is experiencing similar global warming as the polar ice caps are now at the smallest size ever recorded in the last 100 years of observing. I don't think we can blame SUV's and diesel trucks, or even the Mars rover
for this.
For further reading:
http://news.nationalgeographic.com/news/2007/02/070228-mars-warming.html