India, Feb. 23 -- EPA rolls back updated mercury limits for coal-fired power plants

Research links local plant emissions to toxic fish in Indianapolis

Scientists warn of risks to children and pregnant women

Original standards cut mercury emissions by an estimated 90%

For years, people fishing along the banks of the White River that winds through Indianapolis were met by ominous signs warning about eating the fish they catch.

One of those risks was mercury poisoning.

Mercury is a neurotoxic metal that can cause irreparable harm to human health - especially the brain development of young children. It is tied to lower IQ and results in decreased earning potential, as well as higher health costs. Lost productivity from mercury alone was...