Groups representing businesses, industry, environmentalists, cities, states and tribes will make their annual lobbying visit to Washington, D.C., this week.

Some chemicals used to make fireworks can be harmful to human health.

Little is known about the potential of new technologies to contribute to disease.

Indiana Attorney General Greg Zoeller has joined counterparts in 10 other states in asking a federal appeals court to halt implementation of new water rules while the states try to overturn those regulations in court.