Everybody has to read Naomi Klein's book This Changes Everything. Nowhere has the problem with climate change been so well laid out, particularly how difficult it will be to fix it since you have to dump capitalism in the process. The stakes could not be higher.
She outlines the relationship between Trade Agreements and fixing Climate Change -- haunting and scary at the least.
Not sure if a dairy is the best place to put such a recommendations, but the book is simply amazing.