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Air pollution is especially high throughout winter, when dwellers of ger areas burn coal and wooden for cooking and heating. The Ulaanbaatar Clean Air Project is helping to exchange stoves and low-pressure boilers with extra vitality efficient options in the quick time period. Water pollution occurs when chemicals or dangerous foreign substances are launched to water, including chemical compounds, sewage, pesticides and fertilizers from agricultural runoff, or metals like lead or mercury. According to the Environmental Protection Agency , 44% of assessed stream miles, 64% of lakes and 30% of bay and estuarine areas aren't clean enough for fishing and swimming. The EPA also states that the United State's commonest contaminants are bacteria, mercury, phosphorus and nitrogen. Sickle cell illness impacts about a hundred,000 Americans, many of whom are African American, and greater than 20 million individuals worldwide. John Brownstein of Harvard Medical joins Jon Morgan, Google...