"...[T]here is no "safe" dose of a carcinogen." - Rachel Carson

Man's attitude toward nature is today critically important simply because we have now acquired a fateful power to alter and destroy nature. But man is a part of nature, and his war against nature is inevitably a war against himself? [We are] challenged as mankind has never been challenged before to prove our maturity and our mastery, not of nature, but of ourselves.

Activities in the nonhuman world also reflect the warming of the Arctic-the changed habits and migrations of many fishes, birds, land mammals, and whales.

It is not half so important to know as to feel.