Sierra Club seeks review of Ill. pollution waiver

An environmental group filed an appeal Thursday of an Illinois board's decision granting Dynegy Inc. more time to install pollution controls at five coal-fired power plants, calling it a "dangerous precedent." The Sierra Club's appeal in the 4th District Illinois Appellate Court seeks a reversal of the Pollution Control Board's Nov. 21 decision to give Dynegy until 2020 to install key state-required controls on emissions of sulfur dioxide, a toxic gas and air pollutant.

Read more