This increased evaporation will cause more clouds and more rainfall. Scientists are quasi-unanimous that there will be an increase in precipitation in the northern polar zone, but are not sure about other areas. Some regions may actually have less rainfall than there is right now. Some scientists think that there may be more hurricanes as a result of global warming. However, as there are many factors that lead to such tropical storms, what will really happen is uncertain.
Some scientists also predict the spreading of certain diseases.
One of these diseases, malaria, is spread by mosquitoes. Opponents of mandatory action to reduce such emissions have cited the uncertainties surrounding predictions about climate change. Global Warming is at our door and requires we mend our ways in order not to jeopardize the very future of our children. And though it is true that no-one can predict what the future holds in terms of climate change and its impact on our environment, it is also extensively proven that industrialized societies are based on industries and ways of life that contribute to the present emission of greenhouse gases. The issue has been drawn onto an emotional level, one side invoking threats to jobs and national economies, the other threats to the very air we breathe.