Many utility companies and other businesses are critical of the Obama administration's recently-announced goal of cutting carbon emissions from power plants by 30 percent from 2005 levels over the next 16 years.
Fifteen teachers from five states - including Ohio - are spending the week on Lake Ontario as part of a research program. The teachers are aboard the Lake Guardian, a research vessel operated by the U.S. Environmental Protection Agency.
The U.S. EPA is investigating the cause of a January chemical emergency at an Auglaize County well facility and asking why an inventory of the facility's chemicals wasn't available to local safety authorities.
The U.S. EPA has issued new requirements for cleansing ballast water dumped from ships, which scientists believe has brought invasive species that damage ecosystems and cost the economy billions of dollars.
Columbus-based American Electric Power will stop burning coal at two power plants in Ohio and Indiana by the end of 2015 under a legal settlement reached with the U.S. EPA, eight states and several environmental groups.