It's a numbers game—in a dense urban area there are so many of us that even unintentional pollution would cause all the crap we see in the water.

Over increasingly large areas of the United States, spring now comes unheralded by the return of the birds, and the early mornings are strangely silent where once they were filled with the beauty of bird song.

The thoughts of Plato and Machiavelli... don't seem quite enough armor for a world beset with splitting the atoms, urban guerrillas, nineteen varieties of psychotherapists, amplified guitars, napalm, computers, astronauts, and an atmosphere polluted simultaneously with auto exhaust and TV commercials.

The United States at this moment occupies a lamentable position as being perhaps the chief offender among civilized nations in permitting the destruction and pollution of nature. Our whole modern civilization is at fault in the matter. But we in America are probably most at fault ... We treasure pictures and sculpture. We regard Attic temples and Roman triumphal arches and Gothic cathedrals as of priceless value. But we are, as a whole, still in that low state of civilization where we do not understand that it is also vandalism wantonly to destroy or permit the destruction of what is beautiful in nature, whether it be a cliff, a forest, or a species of mammal or bird. Here in the United States we turn our rivers and streams into sewers and dumping-grounds, we pollute the air, we destroy forests and exterminate fishes, birds and mammals'not to speak of vulgarizing charming landscapes with hideous advertisements.