_35
U.S. EPA. Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2018. 2020 https://www.epa.gov/ghgemissions/inventory-us-greenhouse-gas-emissions-and-sinks (accessed Oct 20, 2020).
U.S. EPA. Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2018. 2020 https://www.epa.gov/ghgemissions/inventory-us-greenhouse-gas-emissions-and-sinks (accessed Oct 20, 2020).