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Understanding why ice sheets have been advancing and retreating for millennia
By: Ozark Tsunami
The advance and retreat of ice sheets has been occurring for millennia. Ice sheets grow when snow accumulates faster than it melts. As the snowfall accumulates, its weight presses down on earlier snows and compacts this into glacial ice. An ice sheet is an accumulation...
Book reviews: Earth in the Balance, by Al Gore
By: Krystle Hernandez
Before the terms "eco-friendly" and "Green Revolution" swept through the United States, U.S. Senator Al Gore was working hard to bring attention to what he believed was an imminent environmental crisis that would impact civilizations worldwide. In 1992, just before he was elected as...
Biodiversity: A variety of definitions
By: Perry McCarney
What is the concept behind the word "biodiversity"? Although relatively recently coined in the early 1990s from combining the words biological and diversity it is already in extensive use, not only in the halls of natural sciences academia but also in the political arena and...
Environmental consequences of prolonged drought
By: Anne StClair
South Australia, the driest state in the driest country in the world, has been in the grip of a drought for several years; a drought that has been dubbed a once in a 'thousand years' drought. The effects of this prolonged drought are extremely serious...
A guide to drought mitigation strategies
By: Pauline Abreu
Drought is a common and serious problem for many severely dry places in the world. In order to combat this problem there have been drought mitigation strategies put in place that will help alleviate this naturally occurring condition. The land can become seriously dry due...
Environmental consequences of prolonged drought
By: Marcus Brooks
Before the era of global warming, America focused on a primary need. During the early 1900s, Midwest farmers abused their topsoil. They repeatedly cultivated the land using outdated, farm equipment. The agricultural states of Kan., Okla., the Dakotas, Neb. and Ark. were wrecked. In addition...
Do the benefits of salmon farming outweigh any detrimental effects?
By: Effie Moore Salem
Salmon is a food that everyone wants on their dinner table, but there are problems with the industry as it now stands.At one time wild salmon and the industries supplying this healthy fish flourished in the salmons' spawning grounds of the Northwest and Alaska...
The ecological relationship of biomes
By: Louis Phillip Archambault
The integrated ecology of the environmental biology for our living space, surroundings and other biome relationships is in neglect. The resulting effect is Earth's biome/ecology is in disrepair. This is due to the shortsighted nature of the human animal that focuses on survival gains rather...
Tips for saving energy
By: Laurie Childree
Saving energy is increasingly important as the cost of energy goes up. The benefits for the environment are numerous when you reduce your energy consumption. The amount of energy used can be reduced at home, the office and virtually anywhere else that you go.Start...
Determining the age of a tree
By: Sammy Stein
Trees come in two distinct groups within the plant kingdom. The first is the monocotyledon where new growth is produced in radial lines around a central stem, like grasses, lilies, yuccas and phormiums.The second group is dicotyledons where each year, new growth is accomplished...

 

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