> Who knows?
The EPA knows! [0]
Global greenhouse gas emissions can also be broken down by the economic activities that lead to their production.[1]
25% is from electricity and heat production;
14% from transport;
6% from residential and commercial buildings;
21% from industry;
24% from agriculture, forestry and other land use;
10% from other energy uses.Source: IPCC (2014);
[0] https://www.epa.gov/ghgemissions/global-greenhouse-gas-emiss...