How Global Warming Affects

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How Global Warming Affects
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How Global Warming Affects
The harmful effects of global warming on daily life are already showing up. According to portions of a draft of an international scientific report obtained by The Associated Press, changes in climates are now affecting physical and biological systems on every continent. Things are happening and happening faster than we expected, said Patricia Romero Lankao of the National Center for Atmospheric Research in Boulder, Colo. It is predicted that global average temperatures would rise by between 1.1C and 6.4C by 2100.

A look at three key factors affected by warming offers a hint of things to come.

Water
Within a couple of decades hundreds of millions of people won`t have enough water. It is forecasted that a rise of between 18cm and 58cm in sea levels of the end of this century and a figure that could increase by as much as 20cm if the recent melting of polar ice sheets continues. Thirteen of the 20 largest cities in the world happen to be located at sea level, says Dr. Cindy Parker of the Johns Hopkins School of Public Heath in Baltimore, MD. That means that where people are most at risk from floods, so are hospitals and water-treatment plants.

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