Crews perform dredging work along the upper Hudson River in Waterford, N.Y. General Electric's cleanup of PCBs discharged into the river decades ago will end this year. Mike Groll/AP hide caption

itoggle caption Mike Groll/AP

Steam from a coal-fired power plant is silhouetted against the sun near St. Marys, Kan. Industry groups say there should be a far more aggressive consideration of costs of regulation than the Obama administration took into account. Charlie Riedel/AP hide caption

itoggle caption Charlie Riedel/AP

Melissa Downer and her family moved to Camp Minden, La., 11 years ago and live on three acres. The mother of three young daughters says they'll move if the M6 is burned in the open air. Kate Archer Kent/Red River Radio hide caption

itoggle caption Kate Archer Kent/Red River Radio

Corn farmer Jerry McCulley sprays the weedkiller glyphosate across his cornfield in Auburn, Ill., in 2010. An increasing number of weeds have now evolved resistance to the chemical. Seth Perlman/AP hide caption

itoggle caption Seth Perlman/AP

Whether the error in Supreme Court Justice Antonin Scalia's recent dissent was originally his fault or a clerk's doesn't make it less cringeworthy. Alex Wong/Getty Images hide caption

itoggle caption Alex Wong/Getty Images

A sign on the pump advertises the ethanol content of the gasoline as a motorist reaches for the gas pump in his truck at a filling station in Bellmead, Texas. LM Otero/AP hide caption

itoggle caption LM Otero/AP

The Environmental Protection Agency found Hyundai and its sister company, Kia, overstated the fuel economy ratings on about 900,000 cars. Nam Y. Huh/AP hide caption

itoggle caption Nam Y. Huh/AP

A haze can be seen at night hovering over the Asarco copper smelter, which turns copper ore into nearly pure copper bars. Emma Schwartz/Center for Public Integrity hide caption

itoggle caption Emma Schwartz/Center for Public Integrity