Officials said initial demolition and cleanup of the former Tinley Park Mental Health Center should be completed by the end ...

These natural materials form a biofilter that may dramatically cut the methane, nitrous oxide, and water pollution generated ...

The DNA in a single cup of water can track wildlife, monitor pollution and survey pathogens in waterways and their surroundings, all at the same time.

Congressman Christian Menefee demands answers from the EPA over delays in the Fifth Ward contamination investigation and calls for transparency on health risks.

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...