Global Warming

 Excerpt  :

Because the Earth’s climate system is highly complex, and because human behavior and reaction to change is even more complex, providing answers to these questions is an enormous challenge to the world’s scientists. As with many scientific problems only partial answers are available, but our knowledge is evolving rapidly, and the world’s scientists have been addressing the problems with much energy and determination.

Three major pollution issues are often put together in people’s minds: global warming, ozone depletion (the ozone hole) and acid rain. Although there are links between the science of these three issues (the chemicals which deplete ozone and the particles which are involved in the formation of acid rain also contribute to global warming), they are essentially three distinct problems.

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