In a world of warm, scientists predict that more people are dying from disease or die from heat stress. Outbreaks of diseases commonly found in tropical areas, such as diseases caused by mosquitoes and other disease-carrying animals, will be more widespread because they can move into areas previously too cold for them. Currently, 45 percent of world population lives in areas where they may be bitten by mosquitoes carrying the malaria parasite; percentage will increase to 60 percent if temperatures rise. Other tropical diseases also can be spread like malaria, such as fever, and encephalitis. Scientists also predict rising incidence of allergies and respiratory diseases as warmer air will increase pollutants, mold spores and pollen sars
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