Evidently, he co-authored a book, called Ecoscience, in which he discusses a number of topics. A fair bit of it has been brought up recently. Here's just one site where they've posted excerpts from the book (the site is very partisan, but I'm only interested in the actual excerpts from the book). One such excerpt, on forced individual sterilization: Another, on forced mass sterilization: My personal favorite: And just to tie in to our other "Are You American or Texan?" thread, surrendering national sovereignty: Your thoughts?