Climate change means changes in the regular weather pattern of a particular place or across the world. Climate change and weather pattern are related. Because of climate change, the weather pattern in specific region on earth changes. Climate of the globe is changing because of global warming. Global warming is the rise of temperature of the atmosphere resulted from heat being trapped by environmental pollution. It is caused by the destruction and burning down of tropical rain forests, by traffic that clogs up city streets, by the rapid growth of industry, the use of CFCs in packaging and manufacturing commercial products, the use of detergents and so on. However, the main culprits for global warming are carbon dioxide gas, produced by the burning of fossil fuels and forests, and pollutants such as methane and chlorofluorocarbons. Global warming becomes a constant threat to the living beings. Scientists predict that midway through this century, temperatures may have risen by as much as 4°C. This could catastrophically reduce mankind's ability to grow food, destroy or severely damage wildlife and wilderness, raise sea levels and thereby flood coastal areas and farmland. The alarming news about Bangladesh is that as a result of the rise of the sea level, the lower southern part of the country may one day go underwater. So it is necessary to work with world community so that coordinated efforts may be made to prevent climate change and to save the southern part of our country.
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