Tales of prolonged drought have filled recorded history. Drought was known in ancient Egypt. Examination of tree rings from petrified trees indicate drought before recorded history. Droughts have been a regular event in earth’s long history. The natural events that…
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The Grand Canyon stands as mute testimony to the power of water and erosion and the shape of our land. Perhaps not in isolation, but certainly as the most significant contributing factor, the Colorado River over a period of millions…
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Early research on the “greenhouse effect” started in the late 19th century with work by Joseph Fourier. The further study and subsequent understanding and description of the process has enabled scientists to understand our current climactic warming trend, and hopefully,…
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Drought results in diminished water supplies for people, plants and animals. Water is one of the essentials of life. People need drinking water and plants and animals need water in order to grow and thrive. The water on the earth’s…
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An aquifer is a layer of water contained within underground rock, sand, gravel, or clay. Although the term does not necessarily imply any particular size, very large freshwater aquifers are especially important because they can be accessed via wells and…
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What Causes a Brown Cloud? Brown clouds are caused by human activity. These clouds are composed of aerosol particles that may contain combinations of soot, nitrogen dioxide and sulphur. The large brown cloud frequently seen over Hong Kong is composed…
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Water Safety At some parts of the world, the water level during the low tide and the high tide can exceed 3 meters. It would be unwise to walk too far offshore during low tide, because when you want to…
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Noise pollution is caused by various things. In a city traffic is one of the main causes. In a crowded environment such as a railway station or a mall people can produce amounts of noise that could be construed as…
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The ocean can be separated into separate biomes based on the animal species and plants which can be found in the different areas. There are four major zones of the open ocean biomes, which are grouped as such: the intertidal…
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The only difference between a blizzard warning and a blizzard watch is time. A blizzard watch is issued when a blizzard is expected within the next 36 hours. A blizzard warning is issued when a blizzard is on your doorstep….
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