Sulfur Dioxide

Some of the Midwest's coal-burning power plants emit the highest rates of pollution in the country.

Midwest power plants are among the country’s worst polluters. But they don’t break EPA rules

Kavahn Mansouri

Of the nation's 10 coal-fired power plants that produce the most sulfur dioxide, four are located in the Midwest. And yet, none violate Environmental Protection Agency (EPA) standards.

Rush Island Energy Center in Festus, Missouri.

Health, Science & Environment

Appeals Court Finds Ameren Violated Clean Air Act, Must Install Pollution Controls At JeffCo Plant

Eric Schmid

The decision upholds a 2017 ruling by a lower court and part of a 2019 order that Ameren install pollution controls at the coal plant.

Ameren's 2,400-megawatt plant near Labadie, Missouri, is the state's largest coal-fired power plant. It produces an average of 550,000 tons of coal ash each year.

Health, Science & Environment

Federal Judge Orders Ameren To Install Air Pollution Controls At Two Power Plants

Eli Chen

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.…

Health, Science & Environment

Missouri Air Conservation Commission approves plan to show EPA that Jefferson County air is cleaner

Eli Chen

Jefferson County is one step closer to attaining the federal clean air standard for sulfur dioxide, a noxious gas that can cause asthma and respiratory…

Health, Science & Environment

EPA: Insufficient data to prove Ameren's Labadie plant exceeds sulfur dioxide limits

Eli Chen

The Environmental Protection Agency has declared that there isn't enough information to determine if the air around Ameren Missouri's largest power plant…

Ameren's power plant in Labadie is the largest in the state.

Health, Science & Environment

Missouri regulators unable to say whether air near Ameren's Labadie power plant is safe to breathe

Updated 5:00 p.m., Sept. 24 with vote result - The Missouri Air Conservation Commission has voted to designate parts of Franklin and St. Charles counties…

Health, Science & Environment

Missouri, Illinois rank among 10 worst carbon dioxide emitters

Rob Koenig

This article first appeared in the St. Louis Beacon, Feb. 19, 2011 - WASHINGTON - Missouri and Illinois ranked among "the 10 worst states for carbon…