Joel E. Cohen on the 7 billion human mark Posted 04 Nov 2011 / 0 WNYC The Brian Lehrer Show “7 Billion and Counting“ Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Telegram (Opens in new window)Click to email a link to a friend (Opens in new window) A Minor Post, Carrying Capacity, Population Growth, Population Pressure Joel E. Cohen