Read the excerpt."It is also vandalism wantonly to destroy or to 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. But at last it looks as if our people were awakening.”Theodore Roosevelt,Letter at Hill's Studio, 1903