Year,Carbon dioxide (CO2) emissions from Building (Energy) (Mt CO2e) 1970,0.87 1971,0.87 1972,0.87 1973,0.74 1974,0.96 1975,1.22 1976,1.4 1977,1.4 1978,1.48 1979,1.64 1980,1.75 1981,1.94 1982,1.93 1983,1.8 1984,1.77 1985,2.05 1986,2.3 1987,2.5 1988,2.47 1989,3.05 1990,3 1991,2.81 1992,2.94 1993,3.07 1994,3.27 1995,3.77 1996,4.05 1997,4.62 1998,4.92 1999,4.92 2000,4.9 2001,5.75 2002,6.23 2003,6.78 2004,7.43 2005,7.43 2006,7.62 2007,7.84 2008,8.07 2009,8.13 2010,9.09 2011,10.18 2012,10.15 2013,9.77 2014,10.38 2015,10.82 2016,12.13 2017,12.58 2018,13.27 2019,13.54 2020,11.82 2021,12.27 2022,11.95 2023,11.07 2024,11.44