Sierra Club

The Sierra Club, the Missouri Coalition for the Environment and other St. Louis-area environmental groups have released public statements to express support for the Black Lives Matter movement. But the largely white organizations, which focus on policy and outdoor recreation, have found it difficult to address environmental problems that affect predominantly black St. Louis neighborhoods.

A federal judge on Monday ordered Ameren Missouri to install devices at its power plants in Festus and Labadie to remove harmful air pollutants. U.S.…

Mayor Lyda Krewson signed the Sierra Club’s “Mayors For 100 Percent Clean Energy” pledge on Tuesday, signaling her commitment to helping the city some day…

The St. Louis Board of Aldermen on Friday voted unanimously to approve several building codes for the city. The approved codes will establish standards…

Environmentalists plan to raise concerns at a public hearing tonight about water-quality issues caused by Ameren Missouri's Rush Island Energy Center in…

A report released Monday finds that two power plants in Arkansas are partly responsible for poor air quality in St. Louis. Scientists from…

Story updated Feb. 17 with comment from Ameren Missouri — A federal judge has approved the Sierra Club's request to intervene in a Clean Air Act lawsuit…

The St. Louis County Building Commission unanimously approved a set of requirements for constructing homes.But builders, environmental activists, policy…

Updated Friday, July 22 at 5:07p.m. with statement from Ameren Missouri — Ameren Missouri and the Sierra Club reached a $2 million settlement Thursday in…

The Sierra Club is appealing to Ameren shareholders in an attempt to prompt the utility to move away from coal-based energy.The organization has submitted…