S&P Global Commodity Insights examines forces affecting the U.S. acid rain, fine particulate, and ozone-related emissions markets; markets for greenhouse gases and emerging controls for mercury, heavy metals, acid gases, plus other waste discharges into air, water, or land. You will gain a big-picture perspective on significant longer-term environmental regulatory and market developments as well as up-to-date, detailed data and analysis needed to make informed near-term decisions.