Here is a pie chart (globally) from epa.gov: https://www.epa.gov/sites/production/files/2016-05/global_emissions_sector_2015.png https://www.epa.gov/sites/produ

Here is a pie chart (globally) from epa.gov: https://www.epa.gov/sites/production/files/2016-05/global_emissions_sector_2015.png https://www.epa.gov/sites/production/files/2016-05/global_em...