Apr 20 2011 Mankind and Earth Mankind and Earth published April 20, 2011 by Steve Greenberg courtesy of politicalcartoons.com Apr 21 2011 Apr 21 2011 Apr 20 2011 Apr 17 2011 Apr 9 2011 Apr 8 2011 Apr 4 2011 Apr 4 2011 Mar 31 2011 Topics Topics & Tags EARTH DAY 25 cartoons EARTH DAY 2014 11 cartoons Steve Greenberg's Archive More Cartoons By Steve Greenberg Apr 21 2011 Apr 21 2011 Apr 20 2011 Apr 17 2011 Apr 9 2011 Apr 8 2011 Apr 4 2011 Apr 4 2011 Mar 31 2011 Archives Steve Greenberg Steve Greenberg is a freelance editorial cartoonist. Daily Newsletter Sign up for FREE! Get Cartoons Daily! Sign up for our free daily newsletter by entering your email and clicking on subscribe. Subscribe