Allen , M. R. , Frame , D. J. , Huntingford , C. , Jones , C. D. , Lowe , J. A. and co-authors . 2009 . Warming caused by cumulative carbon emissions: towards the trillionth tonne. Nature 458 , 1163 - 1166 .
Boden , T. A. , Marland , G. and Andres , R. J . 2009 . Global, Regional, and National Fossil-Fuel CO2 Emissions, Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory , U.S. Department of Energy, Oak Ridge, TN, USA .
Canadell , J. G. , Le Quere , C. , Raupach , M. R. , Field , C. B. , Buitenhuis E. T. and co-authors . 2007 . Contributions to accelerating atmospheric CO2 growth from economic activity, carbon intensity, and efficiency of natural sinks. Proc. Natl. Acad. Sci. USA 104 , 18866 - 18870 .
Cox , P. M. , Betts , R. A. , Jones , C. D. , Spall , S. A. and Totterdell , I. J . 2000 . Acceleration of global warming due to carbon-cycle feedbacks in a coupled climate model . Nature 408 , 184 – 187 .
Den Elzen , M. G. J. , Berk , M. , Schaeffer , M. , Olivier , J. G. J. , Hendrilcs , C. and Metz , B . 1999 . The Brazilian proposal and other options for international burden sharing: an evaluation of methodolog-ical and policy aspects using the FAIR model. Report No. 72801011 , National Institute of Publoic Health and the Environment , Bilthoven , The Netherlands .
Frame , D. J. , Stone , D. A. , Stott , P. A. and Allen , M. R . 2006 . Alternatives to stabilization scenarios. Geophys. Res. Lett . 33 , doi: https://doi.org/10.1029/2006GL025801 .
Friedlingstein , R , Cox , P. , Betts , R. , Bopp , L. , von Bloh , W. and co-authors . 2006 . Climate-carbon cycle feedback analysis: results from the C4MIP model intercomparison. J. Clim . 19 , 3337 - 3353 .
Gruber , N. , Friedlingstein , P. , Field , C. B. , Valentini , R. , Heimann , M. and co-authors . 2004 . The vulnerability of the carbon cycle in the 21st century: an assessment of carbon-climate-human interactions. In: The Global Carbon Cycle: Integrating Humans, Climate, and the Natural World , (eds. C. B. Field and M. R. Raupach ), Island Press , Washington , 45 - 76 .
Hansen , J. E. , Sato , M. , Kharecha , P. , Beerling , D. J. , Masson-Delmotte V. and co-authors . 2008 . Target atmospheric CO2: where should hu-manity aim?. Open Atmos. Sci. J . 2 , 217 - 231 .
Hooijer , A. , Page , S. , Canadell , J. G. , Silvius , M. , Kwadijk , J. and co-authors . 2009 . Current and future CO2 emissions from drained peatlands in Southeast Asia. Biogeosci. Discuss . 6 , 7207 - 7230 .
Houghton , R. A . 2003 . Revised estimates of the annual net flux of carbon to the atmosphere from changes in land use and land management 1850-2000 . Tellus 55B , 378 – 390 .
IPCC 2001a . Climate Change 2001: Impacts, Adaptation, and Vulnera-bility . Contribution of Working Group II to the Third Assessment Re-port of the Intergovernmental Panel on Climate Change , Cambridge University Press, Cambridge , UK .
IPCC 2001b . Climate Change 2001: The Scientific Basis . Contribution of Working Group Ito the Third Assessment Report of the Intergov-ernmental Panel on Climate Change, Cambridge University Press , Cambridge , United Kingdom and New York .
IPCC 2007a . Climate Change 2007: Impacts, Adaptation and Vulner-ability. Contribution of Working Group II to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Cam-bridge University Press , Cambridge, UK and New York, NY, USA , 976 pp .
IPCC 2007b. Climate Change 2007: The Physical Science Basis. Con-tribution of Working Group Ito the Fourth Assessment Report of the Intergovernmental Panel on Climate Change . Cambridge University Press , Cambridge, UK and New York, NY, USA , 996 pp.
Joos , E , Bruno , M. , Fink , R. , Siegenthaler , U. , Stocker , T. F. and co-authors . 1996 . An efficient and accurate representation of complex oceanic and biospheric models of anthropogenic carbon uptake. Tellus Series B-Chem. Phys. MeteoroL 48 , 397 - 417 .
Keeling , C. D. , Piper , S. C. , Bacastow , R. B. , Wahlen , M. , Whorf , T. P. and co-authors . 2001 . Exchanges of atmospheric CO2 and 13CO2 with the terrestrial biosphere and oceans from 1978 to 2000. 1. Global Aspects , SIO Reference Series, No. 01-06, Scripps Institution of Oceanography, San Diego.
Keeling , C. D. , Piper , S. C. , Bacastow , R. B. , Wahlen , M. , Whorf , T. P. and co-authors . 2005 . Atmospheric CO2 and 13CO2 exchange with the terrestrial biosphere and oceans from 1978 to 2000: observations and carbon cycle implications. In: A History of Atmospheric CO2 and its effects on Plants, Animals, and Ecosystems , (eds. J. R. Ehleringer , T. E. Cerling and M. D. Dearing ), Springer Verlag , New York , 83 - 113 .
Knutti , R. and Hegerl , G. C . 2008 . The equilibrium sensitivity of the Earth's temperature to radiation changes . Nat. Geosci . 1 , 735 – 743 .
Kurz , W. A. , Dymond , C. C. , Stinson , G. , Rampley , G. J. , Neilson , E. T. and co-authors . 2008a . Mountain pine beetle and forest carbon feedback to climate change. Nature 452 , 987 - 990 .
Kurz , W. A. , Stinson , G. , Rampley , G. J. , Dymond , C. C. and Neilson , E. T . 2008b . Risk of natural disturbances makes future contribution of Canada's forests to the global carbon cycle highly uncertain . Proc. Natl. Acad. Sci. USA 105 , 1551 – 1555 .
Le Quere , C. , Raupach , M. R. , Canadell , J. G. , Marland , G. , Bopp , L. and co-authors . 2009 . Trends in the sources and sinks of carbon dioxide. Nat. Geosci . 2 , doi: https://doi.org/10.1038/NGE0689 .
Li , S. and Jarvis , A . 2009 . Long run surface temperature dynamics of an A-OGCM: the HadCM3 4xCO2 forcing experiment revisited . Clim. Dyn . 33 , 817 – 825 .
Li , S. , Jarvis , A. J. and Leedal , D. T . 2009 . Are response function representations of the global carbon cycle ever interpretable? Tellus 61B , 361 – 371 .
Lowe , J. A. , Huntingford , C. , Raper , S. C. B. , Jones , C. D. , Liddicoat , S. K. and co-authors . 2009 . How difficult is it to recover from dangerous levels of global warming? Environ. Res. Lett . 4 , doi: https://doi.org/10.1088/1748-9326/4/1/014012 .
Matthews , H. D. , Gillett , N. P. , Stott , P. A. and Zickfeld , K . 2009 . The proportionality of global warming to cumulative carbon emissions . Nature 459 , 829 – 833 .
Meinshausen , M . 2006 . What does a 2C target mean for greenhouse gas concentrations? A brief analysis based on multi-gas emission pathways and several climate sensitivity uncertainty estimates. In: Avoiding Dangerous Climate Change , (eds. H. J. Schellnhuber , W. Cramer , N. Nakicenovic , T. M. L. Wigley and G. Yohe ), Cambridge University Press , Cambridge , 265 - 279 .
Meinshausen , M. , Meinshausen , N. , Hare , W. , Raper , S. C. B. , Frieler , K. and co-authors . 2009 . Greenhouse gas emission targets for limiting global warming to 2°C. Nature 458 , 1158 - 1162 .
Myhre , G. , Highwood , E. J. , Shine , K. P. and Stordal , E 1998 . New estimates of radiative forcing due to well mixed greenhouse gases . Geophys. Res. Lett . 25 , 2715 – 2718 .
Nakicenovic , N. , Alcamo , J. , Davis , G. , de Vries , B. , Fenhann , J. and co-authors . 2000 . IPCC Special Report on Emissions Scenarios. Cam-bridge University Press , Cambridge, U.K. and New York , 599 pp.
Oeschger , H. , Siegenthaler , U. , Schotterer , U. and Gugelmann , A . 1975 . Box diffusion-model to study carbon-dioxide exchange in nature . Tellus 27 , 168 – 192 .
Prinn , R. G . 2004 . Non-0O2 greenhouse gases. In: The Global Carbon Cycle: Integrating Humans, Climate, and the Natural World , (eds. C. B. Field and M. R. Raupach ), Island Press , Washington , 205 - 216 .
Ramanathan , V. and Feng , Y . 2008 . On avoiding dangerous anthro-pogenic interference with the climate system: formidable challenges ahead . Proc. Natl. Acad. Sci. USA 105 , 14245 – 14250 .
Raupach , M. R. and Canadell , J. G . 2010 . Carbon and the an-thropocene. Curr Opin. Environ. Sustainabil . 4 , doi: https://doi.org/10.1016/j.cosust.2010.04.003 .
Raupach , M. R. , Canadell , J. G. and Le Quere , C . 2008 . Anthropogenic and biophysical contributions to increasing atmospheric CO2 growth rate and airborne fraction . Biogeosciences 5 , 1601 – 1613 .
Raupach , M. R. , Marland , G. , Ciais , R , Le Quere , C. , Canadell , J. G. and co-authors . 2007 . Global and regional drivers of accelerating CO2 emissions. Proc. Natl. Acad. Sci. USA 104 , 10288 - 10293 .
Roe , G. H. and Baker , M. B . 2007 . Why is climate sensitivity so unpre-dictable? Science 318 , 629 – 632 .
Schellnhuber , H. J. , Cramer , W. , Nakicenovic , N. , Wigley , T. M. L. and Yohe , G . 2006 . Avoiding Dangerous Climate Change . Cambridge University Press , Cambridge , 392 pp .
Schuur , E. A. G. , Bocicheim , J. , Canadell , J. G. , Euslcirchen , E. , Field , C. B. and co-authors . 2008 . Vulnerability of permafrost carbon to climate change: implications for the global carbon cycle. BioScience 58 , 701 - 714 .
Schuur , E. A. G. , Vogel , J. G. , Crummer , K. G. , Lee , H. , Sickman , J. O. and co-authors . 2009 . The effect of permafrost thaw on old carbon release and net carbon exchange from tundra. Nature 459 , 556 - 559 .
Sitch , S. , Huntingford , C. , Gedney , N. , Levy , P. E. , Lomas , M. and co-authors . 2008 . Evaluation of the terrestrial carbon cycle, future plant geography and climate-carbon cycle feedbacks using five Dy-namic Global Vegetation Models (DGVMs). Global Change Biol . 14 , 2015 - 2039 .
Solomon , S. , Plattner , G. K. , Knutti , R. and Friedlingstein , P . 2009 . Irreversible climate change due to carbon dioxide emissions . Proc. Natl. Acad. Sci. USA 106 , 1704 – 1709 .
Steffen , W. L. , Sanderson , A. , Tyson , P. D. , Jager , J. , Matson , P. A. and co-authors . 2004 . Global Change and the Earth System: A Planet Under Pressure . Springer, Berlin, 336 pp.
Stern , D. I. and Kaufmann , R. K . 1996 . Estimates of global an-thropogenic methane emissions 1860-1993 . Chemosphere 33 , 159 – 176 .
Strassmann , K. M. , Plattner , G. K. and Joos , F . 2009 . CO2 and non-CO2 radiative forcings in climate projections for twenty-first century mitigation scenarios . Clim. Dyn . 33 , 737 – 749 .
Tarnocai , C. , Canadell , J. G. , Schuur , E. A. G. , Kuhry , P. , Mazhitova , G. and co-authors . 2009 . Soil organic carbon pools in the northern cir-cumpolar permafrost region. Glob. Biogeochem. Cycles 23 , GB2023 , doi: https://doi.org/10.1029/2008GB003327 .
Trudinger , C. M. and Enting , I. G . 2005 . Comparison of formalisms for attributing responsibility for climate change: Non-linearities in the Brazilian proposal approach . Clim. Change 68 , 67 – 99 .
Turner , B. L. , Kasperson , R. E. , Matson , P. A. , McCarthy , J. J. , Corell , R. W. and co-authors . 2003 . A framework for vulnerability analysis in sustainability science. Proc. Natl. Acad. Sci. USA 100 , 8074 - 8079 .
Zicicfeld , K. , Eby , M. , Matthews , H. D. and Weaver , A. J . 2009 . Setting cumulative emissions targets to reduce the risk of dangerous climate change . Proc. Natl. Acad. Sci. USA 106 , 16129 – 16134 .
Zimov , S. A. , Schuur , E. A. G. and Chapin , E S . 2006 . Permafrost and the global carbon budget . Science 312 , 1612 – 1613 .