A controversial chemical plant near LaPlace is pushing back against mounting pressure from federal regulators to reduce emissions of a likely cancer-causing chemical. The Denka Performance Elastomers ...

It’s rare for the Environmental Protection Agency to try to force a chemical plant to immediately reduce or halt its toxic airborne emissions. Such actions typically occur in extreme circumstances ...

This story was reported in collaboration with ProPublica. Louisiana must examine how polluters imperil the health of Black residents, the Environmental Protection Agency said in a letter it sent last ...

Denka is a chemical company headquartered in Tokyo, Japan. Founded in 1912 in Hokkaido, it is the world’s largest manufacturer of neoprene,* which is used to make a variety of products such as ...