What two processes emit the most carbon in the United States?

A. transportation and agriculture

B. electricity generation and mass production

C. electricity generation and transportation

D. mass production and transportation

For the United States, the two processes that emit the most carbon is Option C, electricity generation and transportation.

Explanation:

The United States is second only to China for total greenhouse gas emissions according to the Emissions Database for Global Atmospheric Research (EDGAR). The per capita figures for the USA are also high, but many of the Gulf Region countries like Qatar and Bahrain are higher per capita. Although worldwide the two industries or sectors most responsible for emissions are agriculture and electricity generation according to the Intergovernmental Panel on Climate Change, in the United States the biggest emissions producer is transportation at 29.1% of all emissions according to the Environmental Protection Agency.