Indiana environmentalists held a rally and met with lawmakers on Tuesday to demand better renewable energy policies in the state.

Indianapolis Power & Light plans to close two of its four coal units at its Petersburg plant by 2023. But environmentalists say IPL needs to move away from coal more quickly.

The Great Lakes region is the best place in the U.S. to put renewable energy sources to get the most health benefits, according to a new study from the Harvard T.H. Chan School of Public Health.

The Energy Policy Development Task Force met Thursday, for the final time this year, and debated ways to balance the use of coal and renewable energy sources.

Experts say half of Indiana's coal plants are 40 years old or more and will need expensive repairs in the next 30 years.

The Petersburg Generating Station activists want to see closed is a coal-fired power plant in southwest Indiana. It's been in the news as what's called a "super polluter."

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

Most of the jobs are located in Marion County and the fastest growing sector was in advanced vehicles. It saw 18 percent more jobs last year than the year before.

Vectren turned to the market to find the best sources for its long-term energy plan and mostly received bids for solar and wind projects.

Duke Energy says it has reduced carbon emissions by 31% since 2005 and is working toward a 40% reduction by 2030.