The industrial might of the United States grew in the 1930s and flourished during the two world wars. As businesses large and small supplied the needs of the country, they discarded their wastes in l
Hazardous and nonhazardous wastes must be grouped by their physical form, chemical content, degree of hazard to the environment, or source in order to be treated by waste managers. These groupings al
Students with a basic understanding of the environment and concern for its future know the importance of preserving biological diversity. Biodiversity is the variety of living things on Earth or in a
They’re everywhere! In water, food, air, and soil. On the kitchen counter and in the bathroom. On our skin, in our intestines, and even swimming in our mouths! They affect us every second of ou
It is difficult to identify a defining moment that turned the tide toward less-polluting energy sources, but most people today have a fresh outlook on the environment and realize the importance of co
The early 21st century may someday be looked upon as a pivotal point in the Earth's history. At its most dramatic, this era might one day be thought of as the beginning of the end. The present decade
One of the most troubling aspects of pollution in this age is its pervasiveness—there are few places left where a person or an animal can live without being exposed to pollution. Toxic sub
Environmental engineering's future seems boundless because it is based in the myriad ways in which nature solves its own engineering challenges. People have yet to design a system that pumps water 20
Conservation refers to the careful and controlled use of natural resources for the purpose of extending the time they are available as well as retaining biodiversity. Conservation does not prevent th
