The civilized people of today look back with horror at their medieval ancestors who wantonly destroyed great works of art or sat slothfully by while they destroyed. We have passed this stage…. Here in the U.S. we turn our rivers and streams into sewers and dumping grounds, we pollute the air, we destroy our forests and exterminate fishes, birds and mammals – not to speak of vulgarizing charming landscapes with hideous advertisements. But at best it looks as if our people were awakening.