Walking - safety and environmental issues
There are safety and environmental issues to consider when walking, especially if you choose to walk in parks or reserves that offer difficult terrain or long trails. Walking is a low impact activity that offers substantial health benefits. It's ... [... more]
Better Health |
Michael Brower
MICHAEL BROWER, PH.D., is a physicist and expert on energy and environmental issues. WARREN LEON, PH.D., is deputy director for programs at the Union of Concerned Scientists. Since 1969, the Union of Concerned Scientists has brought scientists ... [... more]
Random House |
Gregory Suriano
Introductions by Gregory Suriano. Great collection of important American speeches from the Revolutionary War to the present. Covers specific topics in American history from slavery to environmental issues. Each speech preceded by an introduction. ... [... more]
Random House |
