The Sierra Club says state and federal environmental agencies have allowed BP to emit too much particulate matter. BP says it's prepared to "vigorously defend" its operations.

This spill comes just weeks after another leak from U.S. Steel and a chemical spill from ArcelorMittal that killed 3,000 fish.

Since 2008, developers have installed more than 1,000 wind turbines across Indiana, primarily on 16 large wind farms.

The DNR pays seed collectors on the basis of "pure live seed" that meet DNR specifications, including being free of diseases and insects.

The Indiana Department of Environmental Management is investigating the source of oil discharged from a sewer pipe into the White River in Indianapolis.

While activists say the state cuts down too many trees in state forests, the Indiana Department of Natural Resources says its foresters are following good management practices.

Its costing the town $2,000 to $3,000 a week to keep the oil from reaching a nearby creek.

Several groups say Indiana needs to move away from coal and toward renewable energy, but how the state should do that is up for debate.

The River Ridge Development Authority Board unanimously approved a resolution Tuesday setting aside about 27 acres as a conservation easement for bats near a road project will link River Ridge, the Indiana 265 interchange and the Port of Indiana-Jeffersonville.

The agency says three consecutive days of tests have been positive, including two days with no detection of cyanide.