The collective action of humans – developing and paving over the landscape, clear-cutting forests, polluting rivers and streams, altering the atmosphere’s protective ozone layer, and populating nearly every place imaginable – are bringing an end to the lives of creatures across the Earth. Extinction of biological species is not necessarily a phenomenon initiated by human … Read more
The greenhouse effect and global warming are issues that are talked about by geologists all the time. The greenhouse effect is a natural process that keeps the earth at temperatures that are livable. Energy from the sun warms the earth when its heat rays are absorbed by greenhouse gasses and become trapped in the atmosphere. … Read more
Air Pollution, contamination of the atmosphere by gaseous, liquid, or solid wastes or by-products that can endanger human health and the health and welfare of plants and animals, or can attack materials, reduce visibility, or produce undesirable odors. Among air pollutants emitted by natural sources, only the radioactive gas radon is recognized as a major … Read more
Canada had nine registered political parties in the 1993 federal election. Each one of these parties was trying to place their candidates into Parliament as members. In this particular election there were the usual dominating parties that ran, the Liberals and Conservatives. Also vying for seats were seven minority parties which included the Green Party, … Read more
Toe caps hinder more than help when worn as industrial personal protective equipment. These cup-like covers designed to wear over dress shoes are made of hard reinforced plastic and/or steel. They were carelessly adopted as a quick fix to foot protection in response to the July 5, 1994 OSHA 1910. 136 Foot Protection ruling. This … Read more
Whether it be through intensified media attention, or due to the efforts of prominent scientists and other members of society, we have become increasingly aware of the detrimental effects that technological advances in industry and agriculture have on the global environment. However, as Carl Sagan points out in Pulling the Plug on Mother Earth awareness … Read more
The greenhouse effect occurs when gases such as methane, carbon dioxide, nitrogen oxide and CFCs trap heat in the atmosphere by acting as a pane of glass in a car. The glass lets the sunlight in to make heat, but when the heat tries to get out the gases absorb the heat. Holding this heat … Read more
All of these titles are evident to any individual who happens to venture upon the majestic, sprawling landscape that is the Chinquapin Desert. But this jewel of a park has not lived life unscathed. Big Bend National park’s rich natural history is tightly intertwined with cultural conflicts, environmental changes, and political activities of the area … Read more