EcoWatch: China announced its latest step in the war on pollution this week, with a Beijing Municipal Environmental Protection Bureau official declaring a ban on coal power and the sale of coal in Beijing by the end of 2020, due to its acute health and environmental impacts. While it constitutes a relatively small portion in Chinas annual coal use, analysts expect neighboring provinces to follow suit. According to official statistics, coal use accounted for 25.4 percent of the capitals energy consumption...