A coalition of Louisiana environmental groups is suing the state over a law they say violates their free speech rights by ...

Many power plants benefiting from exemptions rank among the nation’s worst polluters. The Trump administration says cheaper ...

With the fate of EPA regulations uncertain, advocates say local environmental protection efforts, like a community air ...

Community groups are fighting an unusual Louisiana law that restricts how they use data from air-quality monitors, saying it ...

Scientists have found a way to sample DNA out of the air on a large scale — making it possible to one day track the health ...