Only a few of his points are statistical claims, so I'll provide some sources for those. 4: By this he would be specifically referring to greenhouse gas emissions. http:// www.fao.org/docrep/010/a0701e/a0701e00.htm (this is the entire report, but it is split into sections) 5: http://www.epa.gov/agriculture/ag101/cropmajor.html http://www.soyatech.com/soy_facts.htm http://www.news.cornell.edu/stories/1997/08/us-could-feed-800-million-people-grain-livestock-eat (an admittedly older source, but still provides relevant information) As for his claim about the oceans, I haven't investigated. He provided his own source for his final point about nutrition, but I may as well provide another. Keep in mind that there is a lot of misinformation out there for every angle, but this is one source I find satisfactorily un-biased and reliable. http://jacknorrisrd.com/