Liberal YouTubers

and they do always make me think.
About a decade ago I saw a presentation given by Col Larry Wilkerson, Colin Powell's chief of staff, in which he said that a NASA climatologist told him that under a worst case scenario by 2100 there would be only enough arable land on the planet to feed 400 million people. Of course since then we have exceeded the IPCC worst case scenarios. When Col. Wilkerson said that his question to the scientist was, "Where do you bury nine billion people?" the audience in Texas seemed to have no clue about what this meant.