"Major emitters" refers to countries or entities that release large amounts of greenhouse gases into the atmosphere, contributing significantly to climate change. Full definition
GHG data incorporated into a national PRTR can raise public awareness of major emitters of greenhouse gases, and contribute to the demand for improved environmental performance from industry and other sources. (unece.org)
The bloc's proposed greenhouse gas curb will be studied closely by China, the US and other major emitters ahead of a global climate summit in Paris next year that aims to agree on the first new emissions - cutting treaty since the Kyoto protocol in 1997. (theguardian.com)
Developed countries-most notably Australia - do not want to continue the KP because it doesn't include major emitters like the United States and China. (greenleapforward.com)