Simulated CO2 level decline, with level starting at 550 ppmv in 2070, and zero emissions:
2070 550.0
2071 544.1
2072 538.3
2073 532.6
2074 527.1
2075 521.7
2076 516.4
2077 511.2
2078 506.2
2079 501.3
2080 496.5
2081 491.8
2082 487.2
2083 482.7
2084 478.3
2085 474.1
2086 469.9
2087 465.8
2088 461.9
2089 458.0
2090 454.2
2091 450.5
2092 446.8
2093 443.3
2094 439.9
2095 436.5
2096 433.2
2097 430.0
2098 426.8
2099 423.8
2100 420.8
2101 417.8
2102 415.0
2103 412.2
2104 409.5
2105 406.8
2106 404.2
2107 401.6
2108 399.2
2109 396.7
2110 394.4
2111 392.1
2112 389.8
2113 387.6
2114 385.4
2115 383.3
2116 381.3
2117 379.3
2118 377.3
2119 375.4
2120 373.5
2121 371.7
2122 369.9
2123 368.2
2124 366.5
2125 364.8
2126 363.2
2127 361.6
2128 360.0
2129 358.5
2130 357.0
2131 355.6
2132 354.2
2133 352.8
2134 351.5
2135 350.2