The green house gases in the troposphere provide thermal insulation while these gases are considered responsible in causing ozone depletion in the stratosphere. The depletion of ozone layer could neutralize some of the warming effect caused by higher concentration of green house gases.

Global Warming and Human Health :

Temperature changes may have an impact on several categories of diseases including cardiovascular, cerebrovascular and respiratory diseases. High temperature overloads the thermo regulating system of the body.

Communicable Diseases :

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The distribution of range of diseases which correlated with temperature could be affected by global climate changes. It occurs likely those communicable diseases problems will be aggravated by climate change.

Immune System :

The UV Radiation affects the immune system of the skin and hence these might be an increased number of cases of skin cancer.

Water, Food and Changing Climate :

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The ability of the earth to produce food depends heavily on elements such as ground water, the genetic diversity of human species and productive soil. Fertilize soil is losing its productivity in many parts of the world because of erosion and Stalinization. The direct effect of CO2 on plant growth and use of water complicate efforts how future climate change effect, agriculture, forests and other ecosystems.

Rise in Sea Level :

Rising sea level may be one of the most widely felt and easily recognized consequences of warmer global climate. Currently, sea level rising, it is estimated that sea level may rise from about 0.5 to 1.5 meters in response to 3 to 5° C increase in temperature. The issue of global warming is important because an increase in the average temperature of only a few degrees could lead to the melting of glacial ice, a rise in sea level, and flooding of coastal regions.