Defining and understanding the main causes that deteriorate city's environment will help resolve urban problems such as: health hazards from urban pollution, uncollected domestic waste, and inadequate water and sanitation services; negative impacts on the economy due to traffic congestion (this slows the movement of goods) or productivity losses due to the workers" illnesses. ... The immediate and critical problems facing these cities are: the health issues of urban pollution that derive from inadequate water, sanitation, sewage and solid waste services; land degradation from an increasin...

• Word Count: 630
• Approx Pages: 3
• Has Bibliography
• Grade Level: Undergraduate

Pollution has become a major problem throughout the world. It comes in many forms, such as air pollution, noise pollution, water pollution, and many others. Chemical pollution is unique to the 20th century. ... Scientists suspected pollution or an infectious disease. ... Scientists believed that pollution had made the seals suddenly vulnerable to the disease. ...

• Word Count: 2382
• Approx Pages: 10
• Has Bibliography
• Grade Level: High School

This life style also promotes commuting, leading to pollution, and more energy consumption. ... Lastly, CFC substitutes are present in refrigerators, the CFC gases are released when old refrigerators are crushed, which releases the CFC gas into the air helping the Global warming to increase. ...

• Word Count: 899
• Approx Pages: 4
• Has Bibliography

With the planet growing at alarming rate 230 000 per day people, With the increasing population, pollution is on the rise, making safe water scarce In Asia the population increases by 50 million, the population of Africa by 17 million and Latin America and the Caribbean by only eight million. ...

• Word Count: 2934
• Approx Pages: 12

The longer there is a reliance on fossil fuels the more pollution our environment will face. ... Lastly, promoting green energy could decrease the amount of trees that are cut to use its wood for a source of energy (deforestation) and will decrease air pollution as well. ...

• Word Count: 2525
• Approx Pages: 10
• Has Bibliography
• Grade Level: Undergraduate

Further, small airline companies like Air Zimbabwean and many other airlines in Africa cannot compete with these giant multinational airlines. ... Environmentally, the tourism industry has led to challenges such as environmental pollution, enormous waste management problems, displacement from lands, human rights abuses that have brought great harm to many indigenous peoples and communities globally. ...

• Word Count: 1995
• Approx Pages: 8
• Has Bibliography
• Grade Level: Graduate

Karibu ! That is a word that many a visitor will hear as soon as they arrive in Kenya. Kenya, the land of great sceneric beauty and friendly people, lies in the eastern part of Africa. It borders Ethiopia, Uganda, Sudan, Somalia and Tanzania. It also borders the Indian ocean and Lake Victoria. ...

• Word Count: 2727
• Approx Pages: 11
• Has Bibliography
• Grade Level: Undergraduate

The rotation of the earth and the inertia of the air above it causes westerly winds at the equator. ... Equatorial air rises and, deflected, falls back to the surface in temperate latitudes, where it then flows toward the east. ... As the air ascends and cools, it loses its capacity to hold water (adiabatic cooling). ...

• Word Count: 12375
• Approx Pages: 50
• Has Bibliography
• Grade Level: Undergraduate