Global Warming and Its Effects on the Coastal Areas of Bangladesh

3116 Words Aug 3rd, 2012 13 Pages
Global Warming And Its Effects On The Coastal Areas of Bangladesh

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GLOBAL WARMING:
Global Warming is the rise in the average temperature of the Earth’s atmosphere, including the surface air and oceans. In simple words global warming is when the Earth heats up. It is caused mainly due to increasing concentration of greenhouse gases in the Earth’s atmosphere. The greenhouse gases, include carbon dioxide, nitrous oxide, methane, water vapor, traps heat and light in the Earth’s atmosphere, which increases the temperature. Today global warming is considered as one of the major environmental issues, which threatens to disrupt the basic balance of the environment and cause large scale destruction.

The Greenhouse
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Also, many people have more than one car.
Effects of Global warming on Humans:
The World Health Organization estimates that 150.000 people are killed by climate-change-related issues every year. Authorities in China say warmer temperatures are responsible for an uptick in heat-wave associated deaths, such as strokes and heart disease. They calculated between 173 and 685 Chinese citizens per million die every year from ailments related to global warming. Canadian doctors say smog-related deaths could rise by 80 percent over the next 20 years. And since warm air is a key ingredient in smog, warmer temperatures will increase smog levels. Doctors warn global warming will bring more cardiovascular problems, like heart attacks. “‘The hardening of the heart 's arteries is like rust developing on a car,’ said Dr. Gordon Tomaselli, chief of cardiology at Johns Hopkins University. ‘Rust develops much more quickly at warm temperatures and so does atherosclerosis.’”

Most infectious diseases are transmitted by insects and rodents. Transmitters of disease are called vectors. For example, mosquitoes transmit malaria, dengue and viral encephalitis (inflammation of the brain). Like other animals and plants, vectors are accustomed to certain climate conditions. If the climate becomes warmer, the mosquito will try to fly to new places where it can survive and expose more people to the disease. Changes in sea surface temperature and sea level can lead to higher incidence of

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