Human activities are rapidly changing the chemical composition of the atmosphere (Karling). The high release of greenhouse gases mostly from burning of fossil fuels has caused the global temperatures to rise resulting in what is known as global warming. Global surface temperatures have increased 0.5-1.0°F since the late 19th century. Early on this was mostly attributed to the industrial revolution and thereafter due to population growth, fossil fuel burning, and deforestation. With the rising global temperatures various climatic changes are expected. These include rise in sea level, change in precipitation patterns and other local climatic changes. These changes will eventually alter the ecosystem and this will in turn affect the water supply, crop yields, and forest land.

Infectious diseases is one of the major threats that global warming poses to human he

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Warming Human, Sierra Club, global warming, Effects’ Available, Campaign’ Available, Club January, Christina June, MIT Press, global temperatures, sierra club, Joseph Boyer, Global Warming, Science Publishers, 23rd january 2002, climatic changes, temperatures rise, accessed 23rd, 23rd january, january 2002, accessed 23rd january, fossil fuels, human activities,