Publication archives

Growth of the new elk herd that was started in northern Wisconsin about a decade ago has stalled, in part because wolves are killing more calves and young bulls, and car crashes are killing cows, a state wildlife biologist said.

Just outside this town in the middle of the great American prairie, 37 miles from the nearest traffic light, stands a huge pile of cornstalks and leaves. It looks like a 35-foot mountain of yard trash, yet black cables snake into the pile, attached to sensors that monitor its vital statistics by the minute.

The woods aren't as always as serene as you might think. They are increasingly becoming the scene of altercations between unruly visitors and forest rangers, a new report says.

Biologists from the Vermont Institute of Natural Science have completed a new and pioneering strategy, in collaboration with the USDA Forest Service, to help protect one of eastern North America's most at-risk songbirds, the Bicknell's thrush. In their recommendations, the VINS biologists call for measures to reduce impacts of existing:

Of all the ideas that are so deep-rooted in us that they are almost impossible to shift, one of the most tenacious is that planting trees is a Good Thing. The very act seems self-evidently benevolent.

Some timber-cutters in Kentucky are reviving an environmentally friendly practice that traces to the state's frontier days. "Horse-loggers," as they are often called, are using draft horses and mules to snake logs from the forest. The practice can lessen the damage to many immature trees and other woodland plants that might be crushed by skid loaders and bulldozers.

The world's number-two car maker said on Friday it had co-developed a cutting-edge composting ingredient and process that drastically reduce nitrous oxide, methane and other greenhouse gases, as well as offensive odours produced by livestock waste -- part of its efforts to clean the environment.

Would using ethanol save energy?