Wherever human beings are concerned, trend is not destiny.

The word "wilderness" occurs approximately three hundred times in the Bible, and all its meanings are derogatory.

Man not only survives and functions in his environment, he shapes it and he is shaped by it.

Nature always strikes back. It takes all the running we can do to remain in the same place.

It is not man the ecological crisis threatens to destroy but the quality of human life.

Each civilization has its own kind of pestilence and can control it only by reforming itself.

The most important pathological effects of pollution are extremely delayed and indirect.