… its existing or potential productivity. It occurs whenever the natural balances in the landscape are changed by human activity, through misuse or overuse. It can also be the result of using land and other resources beyond their capability. Unfortunately,…

… gem for the 13th wedding anniversary. Most opals are between 50-65 million years old, dating back to the Cretaceous period when dinosaurs roamed the earth. Opal formed as silica from decomposing rocks mixed with ground water which formed a silica…

… small country of Chile, the earthquake measured 9.5 on the Richter scale. More than 2,000 people were killed, 3,000 injured, 2,000,000 homeless, and $550 million damage in southern Chile. The tsunami caused by the quake caused 61 deaths, $75 million…

… is a problem. An oil spill is a leakage from an oceangoing tanker, pipelines, or other oil sources. Oil spills occur very frequently, and cause enormous ecological harm. About eight million barrels of oil are spilled each year. Tankers usually carry…

… thought, studying the oceans from space seems to be a bizarre idea. Space observation helps oceanographers do research with manned and unmanned space systems. The space systems can be satellites and/or space shuttles that observe various features…

… the junction of the Pelly and Yukon rivers, half way between Whitehorse and Dawson City, central Yukon Territory. This volcano is a cinder cone. The lavas at Volcano Mountain represent a unique type of lava, called 'olivine nephelinite', that is very…

… Science 4 April 2004 Meteorological Disaster Research Paper <Tab/>Meteorological Disasters are a byproduct of the Earth's atmospheric and oceanic attempts to balance heat energy uniformly throughout the planet. An example of a common…

… a megathrust quake 160 miles off the Sumatra coast sent 500-mph tsunamis out into the Indian Ocean. The waves hit the Sumatra province of Acch 15 minutes later, and in less than 7 hours it reached Africa, 3000 miles away. Little did Asia know that they…

… through out the world and the weather creates weather patterns.Air masses and accompanying fronts do not remain stationary for long. Although their movements are never exactly the same, they do exhibit some patterns that help meteorologists and others…

… rival claims to define their meaning and thereby, rights to control their use or future. This is all centred on the concept of a 'sense of place', where particular places hold significance and meanings for people thus being important in how people define…