We console ourselves with the comfortable fallacy that a single museum piece will do, ignoring the clear dictum of history that a species must be saved in many places if it is to be saved at all.

The road to conservation is paved with good intentions that often prove futile, or even dangerous, due to a lack of understanding of either land or economic land use.

Patriotism requires less and less of making the eagle scream, but more and more of making him think.

Land is not merely soil, it is a fountain of energy flowing through a circuit of soils, plants and animals.

That dark laboratory we call the soil.

Agricultural science is largely a race between the emergence of new pests and the emergence of new techniques for their control.

Individual thinkers since the days of Ezekiel and Isaiah have asserted that the despoliation of land is not only inexpedient but wrong. Society, however, has not yet affirmed their belief.