The thing that makes woody plants woody is also what makes them hard to turn into fuel a compound called lignin.

The state says ArcelorMittal failed to notify the public soon enough about problems that led to a cyanide and ammonia spill in a Lake Michigan tributary.

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 National Park Service says the controlled fires promote the park's unique ecosystems that include prairies, marshes and dune-lined beaches.

Since Indiana Dunes became a national park in February, its visitor center has seen more people than it has in any of the past eight years.

For the past few months, Indiana University students have been helping 14 cities in the state to do greenhouse gas inventories.

The Hoosier Environmental Council and Improving Kids' Environment announced their merger last week.

The EPA will loan Indiana more than $400 million to help fund 23 water infrastructure projects across the state 10 of those will be in rural areas.

The environmental groups are giving ArcelorMittal, state and federal regulators 60 days to take action or else theyll sue.

Elkhart County recently began spraying Dibrom to kill mosquitoes that spread eastern equine encephalitis