These sprays, dusts, and aerosols are now applied almost universally to farms, gardens, forests, and homes — nonselective chemicals that have the pow… - Rachel Carson

It soon became evident that there was no single animal — bird, fish, mammal, or any of the sea's lesser creatures — that could live in all the various parts of the sea I proposed to describe. That problem was instantly solved, however, when I realised that the sea itself must be the central character whether I wished it or not; for the sense of the sea, holding the power of life and death over every one of its creatures from the smallest to the largest, would inevitably pervade every page.

Poets often have a perception that gives their words the validity of science. So the English poet Francis Thompson said nearly a century ago, ‘Thou canst not stir a flower/Without troubling of a star.’ But the poet's insight has not become part of general knowledge.

The history of life on earth has been a history of interaction between living things and their surroundings. To a large extent, the physical form and the habits of the earth's vegetation and its animal life have been molded by the environment. Considering the whole span of earthly time, the opposite effect, in which life actually modifies its surroundings, has been relatively slight. Only within the moment of time represented by the present century has one species-man-acquired significant power to alter the nature of his world.