The Environmental Protection Agency hasn't outlined any specific emissions limits for aircraft engines, but it has begun the process that would lead to them.
General Electric is entering the final year of a billion-dollar cleanup of PCB-contaminated water. The project was once controversial — now, even some early critics are asking for it to be continued.
The regulations are intended to clarify recent court decisions on which bodies of water are protected, but many farmers and congressional Republicans oppose what they call an EPA "land grab."
The rules are aimed at limiting the amount of hazardous pollutants coming from coal- and oil-fired utility plants. They're being challenged by industry groups and more than 20 states.
Bayou State residents are upset about the health risks of EPA's plan, while government leaders are running against the clock to dispose of the unsafe and deteriorating artillery propellant.
Three groups from across ideological lines say a congressional investigation into ties between the EPA and the Natural Resources Defense Council seems intended to intimidate.
Farmers will be able to plant types of corn and soybeans that can tolerate doses of two weedkillers. It may be one of the most significant developments the world of weedkilling in more than a decade.