Causes of beach erosion
By: Emmett Saigal
Cliffs are constantly being eroded by the sea. The waves throw pebbles, sand and rock against the cliff and over time it forms a cave (this process is called abrasion/corrosion). When back-to-back caves erode fully through a cliff through hydraulic action and corrosion, an arch...
By: Monika Johnson
In recent years it has become fashionable to drink bottled water. Part of this trend is the convenience of not having to fill one's own container. Another part is that chlorine and fluoride are added to tap water, which may make the taste unpleasant. A...
By: Jennifer Mcdonald
As the world becomes more sensitive to the need of the environment, the negative impact of synthetic fibers has become a cause for concern. Natural fibers are less harmful to the environment and the society because they are derived from plants and animals which are...
Why the environment is important
By: Vicki Nikolaidis
Where are you right now as you read this article? Are you near the sea? Take a deep breath, lick your lips, and slide your foot over the ground. When you took a deep breath did you breathe in fresh sea air or some smells...
Scientific evidence proving the causes of global warming
By: Vicki Nikolaidis
Observation, mathematics, teamwork and good science track global warming. An all-important heat diffusion equation was developed during the late 1790s by the mathematician, Jean-Baptiste-Joseph Fourier. A man arrested, imprisoned and labeled a terrorist during the French “time of the guillotine." Thankfully he survived...
How jade is formed
By: M. L. Kiser
Jade, that beautiful and coveted mineral that presents numerous colors from white and yellow to varied greens, is a stone used in China and Burma for centuries for carving daggers and knives, and in jewelry. Found in many parts of the world from the Americas...
By: Kenneth Andrews
Pollutants in groundwater have become more of a point of public concern in recent years, and that concern is growing all the time. Polluted groundwater affects fish and local wildlife populations, and also has the potential to filter through into the human diet via freshwater...
By: Gioia Degenaars
Not too long ago, humans used a pesticide known as DDT in agriculture to control pests and maintain crops. They didn’t just use a little, they used loads and loads of it. It was hailed as a savior chemical that would eliminate many of...
How DDT harmed hawks and eagles
By: Tanya Devine
Shortly after World War Two, the pesticide DDT was introduced to American agriculture. This pesticidal wonder eradicated any insect it came in contact with and was used not only on crops, but in coastal marshlands to control salt marsh mosquitoes. It wasn’t until the...
By: Gil Valo
Pesticide DDT is a chemical compound that was a major factor in reducing the eagle and hawk populations around the world. Raptors were also hurt by other problems such as hunting and deforestation. The 1972 ban of DDT certainly contributed to the bird of prey&rsquo...

 

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