RACHEL Carson’s ecological wake up call, “Silent Spring,” initially appeared as a series of essays in The New Yorker in

THE simple homily “Save the whales!” began as a plea to stop the harvesting of great blue and other large

IN THE 25 years since Earth Day, increased environmental concern has helped us avoid some mistakes by focusing attention on

On April 22 we will celebrate the 25th anniversary of Earth Day. This is also the last time I will

In the late 1800s and early 1900s, there was great concern that America would run out of trees. Predictions of

OCCASIONALLY on the way to work, I see people in wheelchairs working their way south along the sidewalk of Sand

“THE Tragedy of the Commons” is the best known article on ecology. It was printed in Science magazine in 1968

DATELINE: ENTERPRISE RANCH, GALLATIN VALLEY, MONTANA Our ranch lies in the northern reaches of the Greater Yellowstone ecosystem. Calving has

MANY environmentalists oppose hunting. They find the idea of killing animals for sport repulsive and incomprehensible. For these people, sport

THE idea of national parks is one of America’s best. Approval ratings exceed 90 percent. But political federal management of