In our own lifetime we are witnessing a startling alteration of climate. - Rachel Carson

Given the initial talent … writing is largely a matter of application and hard work, of writing and rewriting endlessly, until you are satisfied that you have said what you want to say as clearly and simply as possible. For me, that usually means many, many revisions.

The sharpest peaks of the Ridge are the cluster of islets known as the Rocks of St. Paul, near the equator. The entire cluster of half a dozen islets is not more than a quarter of a mile across, and their rocky slopes drop off at so sheer an angle that water more than half a mile deep lies only a few feet off shore.

There are other disturbing factors ... One is the growing interrelations between professional organizations and industry, and between science and industry.