International environmental agreements (IEAs) are signed treaties that regulate or manage human impact on the environment in an effort to protect it. Environmental Leadership Policy.Revised Resolution of the Mecklenburg Board of County Commissioners Modifying the Adopted Environmental Leadership Policy. Most household hazardous waste can be taken to one of Mecklenburg County's Full-Service Recycling Facilities. There are some exceptions. MARPOL was designed to minimize pollution of the seas, including dumping, oil and exhaust pollution. This page provides information about certain international treaties, protocols and other agreements to which the United States is a party. The North Carolina Department of Environmental Quality (DEQ) is the lead stewardship agency for the protection of North Carolina's environmental resources. This is a list of international environmental agreements. Most of the following agreements are legally binding for countries that have formally ratified them.