"An idea, a relationship, can go extinct, just like an animal or a plant. The idea in this case is 'nature,' the separ…"

"The greenhouse effect is a more apt name than those who coined it imagined. The carbon dioxide and trace gases act li…"

"The expected effects of a sea-level rise typify the many consequences of a global warming. On the one hand, they are …"

"We believe that we live in the 'age of information,' that there has been an information 'explosion,' an information '…"

"It worries me because it alters perception. TV, and the culture it anchors, and drowns out the subtle and vital infor…"

"Human beings—any one of us, and our species as a whole—are not all-important, not at the center of the world. That is…"

"They'll lead us bit by bit toward the revolutionary idea that we've grown about as powerful as it's wise to grow; tha…"

"These new technologies are not yet inevitable. But if they blossom fully into being, freedom may irrevocably perish. …"

"Right now, plenty of people feel the peacefulness of their lives degraded by sprawl, or worry about the way consumeri…"

"Our comforting sense of the permanence of our natural world, our confidence that it will change gradually and imperce…"