"Major polluters" refers to individuals, industries, or countries that release large amounts of harmful substances into the environment, causing pollution. Full definition
Numbers like that would give Obama new authority in talks with other major polluters such as China, which have been reluctant to sign up for emissions cuts while the US seemed to drag its feet. (newscientist.com)
The policy would charge major polluters like PepcoExelon and Washington Gas for their carbon emissions. (carbonpricedc.org)
They claimed it was unfair if other major polluters such as China and the US did not accept such targets. (newscientist.com)