8 110 7 Source: J. Alcamo and M. Krol RIVM (National Institute of Public Health and Environmental Protection) Bilthoven, The Netherlands Model R: IPCC 1992 scenarios - CO2 concentration (ppm) Results from IMAGE 2.0, RIVM, the Netherlands. Simulations performed with climate feedbacks. Time IS92a IS92b IS92c IS92d IS92e IS92f 1970.50 325.00 325.00 325.00 325.00 325.00 325.00 1971.50 326.60 326.60 326.60 326.60 326.60 326.60 1972.50 328.10 328.10 328.10 328.10 328.10 328.10 1973.50 329.50 329.50 329.50 329.50 329.50 329.50 1974.50 330.90 330.90 330.90 330.90 330.90 330.90 1975.50 332.50 332.50 332.50 332.50 332.50 332.50 1976.50 334.00 334.00 334.00 334.00 334.00 334.00 1977.50 335.60 335.60 335.60 335.60 335.60 335.60 1978.50 337.40 337.40 337.40 337.40 337.40 337.40 1979.50 339.20 339.20 339.20 339.20 339.20 339.20 1980.50 340.90 340.90 340.90 340.90 340.90 340.90 1981.50 342.50 342.50 342.50 342.50 342.50 342.50 1982.50 344.20 344.20 344.20 344.20 344.20 344.20 1983.50 345.80 345.80 345.80 345.80 345.80 345.80 1984.50 347.50 347.50 347.50 347.50 347.50 347.50 1985.50 349.20 349.20 349.20 349.20 349.20 349.20 1986.50 350.90 350.90 350.90 350.90 350.90 350.90 1987.50 352.70 352.70 352.70 352.70 352.70 352.70 1988.50 354.60 354.60 354.60 354.60 354.60 354.60 1989.50 356.50 356.50 356.50 356.50 356.50 356.50 1990.50 358.50 358.50 358.50 358.40 358.40 358.50 1991.50 360.40 360.40 360.40 360.30 360.40 360.40 1992.50 362.40 362.40 362.20 362.10 362.40 362.40 1993.50 364.40 364.40 363.90 363.90 364.40 364.40 1994.50 366.30 366.30 365.60 365.60 366.40 366.40 1995.50 368.30 368.30 367.30 367.30 368.60 368.40 1996.50 370.30 370.30 369.00 369.10 370.80 370.60 1997.50 372.40 372.30 370.80 370.80 373.10 372.70 1998.50 374.50 374.40 372.50 372.60 375.40 374.90 1999.50 376.60 376.40 374.30 374.40 377.80 377.20 2000.50 378.70 378.40 376.00 376.10 380.10 379.40 2001.50 380.70 380.40 377.70 377.80 382.60 381.70 2002.50 382.90 382.40 379.40 379.50 385.00 384.00 2003.50 385.00 384.40 381.10 381.10 387.50 386.30 2004.50 387.20 386.40 382.70 382.80 390.00 388.70 2005.50 389.30 388.40 384.30 384.40 392.60 391.00 2006.50 391.40 390.30 385.90 386.00 395.10 393.30 2007.50 393.50 392.20 387.40 387.50 397.60 395.70 2008.50 395.60 394.10 388.90 389.00 400.20 398.10 2009.50 397.70 396.00 390.30 390.50 402.80 400.50 2010.50 399.80 397.90 391.80 392.00 405.50 402.90 2011.50 402.00 399.90 393.30 393.60 408.30 405.50 2012.50 404.20 402.00 394.80 395.20 411.10 408.10 2013.50 406.40 404.10 396.30 396.80 414.00 410.80 2014.50 408.70 406.20 397.90 398.40 417.00 413.60 2015.50 411.10 408.40 399.40 400.10 420.10 416.40 2016.50 413.50 410.80 401.00 401.80 423.30 419.40 2017.50 416.00 413.10 402.70 403.50 426.50 422.40 2018.50 418.50 415.50 404.30 405.30 429.80 425.50 2019.50 421.10 418.00 405.90 407.00 433.20 428.70 2020.50 423.70 420.50 407.60 408.80 436.60 431.90 2021.50 426.40 423.00 409.20 410.60 440.10 435.20 2022.50 429.10 425.60 410.80 412.40 443.60 438.60 2023.50 431.80 428.10 412.50 414.20 447.30 442.00 2024.50 434.50 430.70 414.10 416.10 450.90 445.40 2025.50 437.20 433.30 415.70 417.90 454.70 448.90 2026.50 439.90 435.90 417.20 419.60 458.30 452.30 2027.50 442.50 438.40 418.60 421.30 462.00 455.70 2028.50 445.10 440.80 419.90 422.90 465.70 459.00 2029.50 447.70 443.20 421.10 424.40 469.30 462.20 2030.50 450.20 445.60 422.10 425.70 473.00 465.40 2031.50 452.60 447.90 423.10 427.10 476.50 468.60 2032.50 454.90 450.10 424.00 428.30 480.10 471.60 2033.50 457.30 452.20 424.90 429.40 483.60 474.60 2034.50 459.50 454.30 425.60 430.50 487.20 477.60 2035.50 461.70 456.40 426.20 431.60 490.80 480.50 2036.50 463.90 458.50 426.80 432.60 494.30 483.40 2037.50 466.10 460.50 427.40 433.50 497.90 486.30 2038.50 468.30 462.50 427.90 434.50 501.50 489.20 2039.50 470.40 464.50 428.30 435.40 505.10 492.10 2040.50 472.60 466.50 428.70 436.20 508.80 494.90 2041.50 474.80 468.50 429.10 437.10 512.50 497.80 2042.50 477.00 470.60 429.50 437.90 516.20 500.70 2043.50 479.20 472.60 429.80 438.80 520.00 503.70 2044.50 481.40 474.70 430.20 439.60 523.90 506.60 2045.50 483.60 476.80 430.50 440.50 527.80 509.60 2046.50 485.90 478.90 430.90 441.40 531.80 512.60 2047.50 488.10 481.00 431.20 442.20 535.80 515.60 2048.50 490.40 483.10 431.50 443.10 539.80 518.60 2049.50 492.80 485.20 431.80 444.00 544.00 521.70 2050.50 495.10 487.40 432.10 444.90 548.10 524.80 2051.50 497.50 489.60 432.40 445.80 552.40 528.00 2052.50 499.90 491.80 432.70 446.70 556.80 531.20 2053.50 502.40 494.00 432.90 447.60 561.30 534.50 2054.50 504.90 496.30 433.10 448.60 565.80 537.90 2055.50 507.30 498.60 433.30 449.60 570.50 541.30 2056.50 509.90 500.80 433.50 450.50 575.20 544.70 2057.50 512.40 503.20 433.70 451.50 580.10 548.20 2058.50 515.00 505.50 433.90 452.50 585.10 551.80 2059.50 517.60 507.90 434.00 453.50 590.10 555.50 2060.50 520.20 510.30 434.20 454.60 595.30 559.20 2061.50 522.90 512.80 434.40 455.70 600.60 562.90 2062.50 525.60 515.30 434.60 456.80 606.00 566.80 2063.50 528.40 517.90 434.80 458.00 611.50 570.70 2064.50 531.20 520.50 435.00 459.20 617.10 574.70 2065.50 534.10 523.20 435.30 460.40 622.80 578.80 2066.50 537.00 525.90 435.50 461.70 628.60 582.90 2067.50 539.90 528.60 435.70 463.00 634.60 587.10 2068.50 542.90 531.40 436.00 464.30 640.60 591.40 2069.50 545.90 534.20 436.20 465.60 646.80 595.70 2070.50 548.90 537.00 436.40 467.00 653.10 600.20 2071.50 552.00 539.90 436.70 468.40 659.50 604.70 2072.50 555.10 542.80 437.00 469.80 666.00 609.20 2073.50 558.30 545.70 437.20 471.30 672.60 613.80 2074.50 561.50 548.80 437.50 472.70 679.30 618.50 2075.50 564.80 551.80 437.70 474.20 686.10 623.30 2076.50 568.10 554.90 438.00 475.70 693.10 628.20 2077.50 571.50 558.00 438.30 477.30 700.20 633.20 2078.50 575.00 561.20 438.60 478.90 707.50 638.20 2079.50 578.50 564.50 438.90 480.50 714.90 643.30 2080.50 582.20 567.80 439.20 482.20 722.40 648.50 2081.50 585.90 571.20 439.50 483.80 730.10 653.80 2082.50 589.60 574.70 439.90 485.50 737.90 659.10 2083.50 593.50 578.20 440.20 487.20 745.80 664.60 2084.50 597.40 581.90 440.60 489.00 753.80 670.20 2085.50 601.40 585.60 441.00 490.70 761.90 675.80 2086.50 605.40 589.30 441.40 492.50 770.20 681.50 2087.50 609.50 593.10 441.80 494.30 778.60 687.30 2088.50 613.60 596.90 442.20 496.10 787.20 693.20 2089.50 617.80 600.90 442.60 498.00 795.80 699.10 2090.50 622.00 604.80 443.10 499.80 804.70 705.10 2091.50 626.30 608.80 443.50 501.70 813.60 711.20 2092.50 630.70 612.80 443.90 503.70 822.70 717.40 2093.50 635.20 616.90 444.40 505.60 831.90 723.60 2094.50 639.70 621.00 444.90 507.60 841.20 729.90 2095.50 644.20 625.30 445.30 509.60 850.60 736.20 2096.50 648.80 629.60 445.80 511.60 860.10 742.70 2097.50 653.50 633.90 446.20 513.60 869.80 749.20 2098.50 658.20 638.30 446.70 515.60 879.70 755.80 2099.50 663.00 642.70 447.10 517.70 889.60 762.50 2100.50 667.80 647.20 447.60 519.70 899.70 769.30