Wilderness is a resource which can shrink but not grow... the creation of new wilderness in the full sense of the word is impossible.

In June as many as a dozen species may burst their buds on a single day. No man can heed all of these anniversaries; no man can ignore all of them.

But wherever the truth may lie, this much is crystal-clear: our bigger-and-better society is now like a hypochondriac, so obsessed with its own economic health as to have lost the capacity to remain healthy. . . . Nothing could be more salutary at this stage than a little healthy contempt for a plethora of material blessings.

We stand guard over works of art, but species representing the work of aeons are stolen from under our noses

A thing is right when it tends to preserve the integrity, stability and beauty of the biotic community. It is wrong when it tends otherwise.

There is time not only to see who has done what, but to speculate why.

The hope of the future lies not in curbing the influence of human occupancy - it is already too late for that - but in creating a better understanding of the extent of that influence and a new ethic for its governance.