Justice Scalia never said the EPA emissions rule was struck down, rather the Supreme Court sent it back to a lower court to get a cost analysis from EPA. Meanwhile, many of the emissions controls are already in place on coal plants (including Plant Scherer), other coal plants have closed or are closing, and investors are abandoning coal in droves. So what Scalia wants may or may not be impossible for EPA to deliver, but EPA actually already has helped sink dirty coal. Meanwhile, Georgia Power finally is helping the sun rise on Georgia. So the prognosis is good for less mercury in the Alapaha River.
Emily Atkin, ThinkProgress Climate, 29 June 2015, What Everyone Is Getting Wrong About The Supreme Court’s Mercury Pollution Ruling, Continue reading