Mercury trading scheme raises concerns.
Christen
Kris
K
D000818:Animals; D003031:Coal; D003132:Commerce; D004777:Environment; D004785:Environmental Pollutants / Q000191:economics*; D004787:Environmental Pollution / Q000517:prevention & control; D020387:Food Chain; D008628:Mercury / Q000191:economics*; D011210:Power Plants; D014481:United States
D003031:Coal; D004785:Environmental Pollutants; D008628:Mercury