Today, the United States, China, Poland, Australia, South Africa and many other countries are addicted to coal. Without coal-fired power plants, these nations would be unable to meet everyday energy demands. Yet according to a report backed by the U.S.-based medical group Physicians for Social Responsibility and authored by Dr. Alan Lockwood, a professor of neurology at the University at Buffalo, pollution from the burning of coal kills tens of thousands of people each year, due to asthma, chronic pulmonary obstruction, emphysema, heart attack, stroke and cancer.