A group of environmental and health advocates are especially concerned about Indiana's coal ash ponds and protecting federal legislation to clean them up.

The keynote speaker at Saturday's event will talk about the new federal coal ash rules, and how they may impact Indiana communities.

A grant program through the American Lung Association will provide up to 100 percent of the costs to replace the boilers with renewable energy alternatives - geothermal, solar power or a combination thereof.

Retired farmer Dick Himsel's Danville property looks like an idyllic Midwestern small farm. Trees line the driveway, leading up to an old-fashioned wooden farmhouse that's surrounded by tall stalks of corn. One thing the property does not have, though, is fresh air.

Residents of Danville, Indiana, along with the Hoosier Environmental Council, filed a nuisance lawsuit Wednesday against a large factory farm. The suit, if successful, could have major consequences for the agriculture industry in the state.

A state environmental protection group says that construction of a reservoir on the White River in central Indiana could damage ecologically sensitive areas.