The Environmental Defense Fund and NAFA Fleet Management created the calculator as a first step in developing greener fleets.
BBC World/Harris Polls surveyed 2,123 adults online about air and water pollution and water shortages.
A sulfuric acid plant in West Virginia is the focus of the companies' settlement agreement with EPA and the Justice Department.
A new report offers comparisons of the carbon footprints of leading U.S. mutual funds.
Burden-sharing, transparency, and limited mechanisms will promote success in an incentive-based greenhouse gas mitigation policy, the study says.
The EPA-funded study surveyed institutions that reported improvement in air quality at their facilities due to student action.
The company will pay a $1.7 million penalty and spend millions to correct violations in seven states that were found after Invista took ownership of the DuPont facilities.
The system helps fleet owners increase the time between oil changes.
The U.S. Environmental Protection Agency issued a proposed finding that six greenhouse gases pose a potential threat to public health or welfare.