PFC gas emissions (thousand metric tons of CO2 equivalent)
Perfluorocarbons, used as a replacement for chlorofluorocarbons in manufacturing semiconductors, are a byproduct of aluminum smelting and uranium enrichment. More info »
1990
1993
1995
1998
2000
2003
2005
2008
2010
-2,000
0
2,000
4,000
6,000
8,000
10,000
12,000
14,000
16,000
18,000
20,000
22,000
24,000
United States
Data source: World Bank, World Development Indicators - Last updated January 1, 2020