Journal ArticleDOI
Update on CO2 emissions
Pierre Friedlingstein,Richard A. Houghton,Gregg Marland,J. Hackler,Thomas A. Boden,Thomas J. Conway,Josep G. Canadell,Michael R. Raupach,Philippe Ciais,C. Le Quéré,C. Le Quéré +10 more
Reads0
Chats0
TLDR
In this article, the authors present updated information on their present and near-future estimates of CO2 emissions from fossil fuel burning and estimate that emissions from deforestation and other land-use changes have declined compared with the 1990s, primarily because of reduced rates of deforestation in the tropics5 and a smaller contribution owing to forest regrowth elsewhere.Abstract:
Emissions of CO2 are the main contributor to anthropogenic climate change. Here we present updated information on their present and near-future estimates. We calculate that global CO2 emissions from fossil fuel burning decreased by 1.3% in 2009 owing to the global financial and economic crisis that started in 2008; this is half the decrease anticipated a year ago1. If economic growth proceeds as expected2, emissions are projected to increase by more than 3% in 2010, approaching the high emissions growth rates that were observed from 2000 to 20081, 3, 4. We estimate that recent CO2 emissions from deforestation and other land-use changes (LUCs) have declined compared with the 1990s, primarily because of reduced rates of deforestation in the tropics5 and a smaller contribution owing to forest regrowth elsewhere.read more
Citations
More filters
Journal ArticleDOI
Solutions for a cultivated planet
Jonathan A. Foley,Navin Ramankutty,Kate A. Brauman,E. S. Cassidy,James S. Gerber,M. Johnston,Nathaniel D. Mueller,Christine S. O’Connell,Deepak K. Ray,Paul C. West,Christian Balzer,Elena M. Bennett,Stephen R. Carpenter,Jason Hill,Chad Monfreda,Stephen Polasky,Johan Rockström,John Sheehan,Stefan Siebert,David Tilman,David P. M. Zaks +20 more
TL;DR: It is shown that tremendous progress could be made by halting agricultural expansion, closing ‘yield gaps’ on underperforming lands, increasing cropping efficiency, shifting diets and reducing waste, which could double food production while greatly reducing the environmental impacts of agriculture.
Journal ArticleDOI
A Large and Persistent Carbon Sink in the World’s Forests
Yude Pan,Richard Birdsey,Jingyun Fang,Jingyun Fang,Richard A. Houghton,Pekka E. Kauppi,Werner A. Kurz,Oliver L. Phillips,Anatoly Shvidenko,Simon L. Lewis,Josep G. Canadell,Philippe Ciais,Robert B. Jackson,Stephen W. Pacala,A. David McGuire,Shilong Piao,Aapo Rautiainen,Stephen Sitch,Daniel J. Hayes +18 more
TL;DR: The total forest sink estimate is equivalent in magnitude to the terrestrial sink deduced from fossil fuel emissions and land-use change sources minus ocean and atmospheric sinks, with tropical estimates having the largest uncertainties.
Supporting Online Material for A Large and Persistent Carbon Sink in the World's Forests
Yude Pan,Richard A. Birdsey,Jingyun Fang,Richard A. Houghton,Pekka E. Kauppi,Werner A. Kurz,Oliver L. Phillips,Anatoly Shvidenko,Simon L. Lewis,Philippe Ciais,Robert B. Jackson,Stephen W. Pacala,A. David McGuire,Shilong Piao,Aapo Rautiainen,Stephen Sitch,Daniel J. Hayes +16 more
Book ChapterDOI
Carbon and Other Biogeochemical Cycles
Philippe Ciais,Christopher L. Sabine,Govindasamy Bala,Laurent Bopp,Victor Brovkin,Josep G. Canadell,Abha Chhabra,Ruth DeFries,James N. Galloway,Martin Heimann,Chris D. Jones,C. Le Quéré,Ranga B. Myneni,S. L. Piao,Peter E. Thornton +14 more
TL;DR: For base year 2010, anthropogenic activities created ~210 (190 to 230) TgN of reactive nitrogen Nr from N2 as discussed by the authors, which is at least 2 times larger than the rate of natural terrestrial creation of ~58 Tg N (50 to 100 Tg nr yr−1) (Table 6.9, Section 1a).
Journal ArticleDOI
Global Carbon Budget 2020
Pierre Friedlingstein,Pierre Friedlingstein,Michael O'Sullivan,Matthew W. Jones,Robbie M. Andrew,Judith Hauck,Are Olsen,Glen P. Peters,Wouter Peters,Wouter Peters,Julia Pongratz,Julia Pongratz,Stephen Sitch,Corinne Le Quéré,Josep G. Canadell,Philippe Ciais,Robert B. Jackson,Simone R. Alin,Luiz E. O. C. Aragão,Luiz E. O. C. Aragão,Almut Arneth,Vivek K. Arora,Nicholas R. Bates,Nicholas R. Bates,Meike Becker,Alice Benoit-Cattin,Henry C. Bittig,Laurent Bopp,Selma Bultan,Naveen Chandra,Naveen Chandra,Frédéric Chevallier,Louise Chini,Wiley Evans,Liesbeth Florentie,Piers M. Forster,Thomas Gasser,Marion Gehlen,Dennis Gilfillan,Thanos Gkritzalis,Luke Gregor,Nicolas Gruber,Ian Harris,Kerstin Hartung,Kerstin Hartung,Vanessa Haverd,Richard A. Houghton,Tatiana Ilyina,Atul K. Jain,Emilie Joetzjer,Koji Kadono,Etsushi Kato,Vassilis Kitidis,Jan Ivar Korsbakken,Peter Landschützer,Nathalie Lefèvre,Andrew Lenton,Sebastian Lienert,Zhu Liu,Danica Lombardozzi,Gregg Marland,Nicolas Metzl,David R. Munro,David R. Munro,Julia E. M. S. Nabel,S. Nakaoka,Yosuke Niwa,Kevin D. O'Brien,Kevin D. O'Brien,Tsuneo Ono,Paul I. Palmer,Denis Pierrot,Benjamin Poulter,Laure Resplandy,Eddy Robertson,Christian Rödenbeck,Jörg Schwinger,Roland Séférian,Ingunn Skjelvan,Adam J. P. Smith,Adrienne J. Sutton,Toste Tanhua,Pieter P. Tans,Hanqin Tian,Bronte Tilbrook,Bronte Tilbrook,Guido R. van der Werf,N. Vuichard,Anthony P. Walker,Rik Wanninkhof,Andrew J. Watson,David R. Willis,Andy Wiltshire,Wenping Yuan,Xu Yue,Sönke Zaehle +95 more
TL;DR: In this paper, the authors describe and synthesize data sets and methodology to quantify the five major components of the global carbon budget and their uncertainties, including emissions from land use and land-use change data and bookkeeping models.
References
More filters
Journal ArticleDOI
Contributions to accelerating atmospheric CO2 growth from economic activity, carbon intensity, and efficiency of natural sinks
Josep G. Canadell,Corinne Le Quéré,Michael R. Raupach,Christopher B. Field,Erik T. Buitenhuis,Philippe Ciais,Thomas J. Conway,Nathan P. Gillett,Richard A. Houghton,Gregg Marland +9 more
TL;DR: The growth rate of atmospheric carbon dioxide (CO2), the largest human contributor to human-induced climate change, is increasing rapidly and three processes contribute to this rapid increase: emissions, global economic activity, carbon intensity of the global economy, and the increase in airborne fraction of CO2 emissions.
Journal ArticleDOI
Trends in the sources and sinks of carbon dioxide
Corinne Le Quéré,Corinne Le Quéré,Michael R. Raupach,Josep G. Canadell,Gregg Marland,Laurent Bopp,Philippe Ciais,Thomas J. Conway,Scott C. Doney,Richard A. Feely,Pru N Foster,Pierre Friedlingstein,Kevin R. Gurney,Richard A. Houghton,Joanna Isobel House,Chris Huntingford,Peter Levy,Mark R. Lomas,Joseph D. Majkut,Nicolas Metzl,Jean Pierre Henry Balbaud Ometto,Glen P. Peters,I. Colin Prentice,James T. Randerson,Steven W. Running,Jorge L. Sarmiento,Ute Schuster,Stephen Sitch,Taro Takahashi,Nicolas Viovy,Guido R. van der Werf,F. Ian Woodward +31 more
TL;DR: In the past 50 years, the fraction of CO2 emissions that remains in the atmosphere each year has likely increased, from about 40% to 45%, and models suggest that this trend was caused by a decrease in the uptake of CO 2 by the carbon sinks in response to climate change and variability as mentioned in this paper.
Journal ArticleDOI
Global and regional drivers of accelerating CO2 emissions
Michael R. Raupach,Gregg Marland,Philippe Ciais,Corinne Le Quéré,J. G. Canadell,Gernot Klepper,Christopher B. Field +6 more
TL;DR: Global emissions growth since 2000 was driven by a cessation or reversal of earlier declining trends in the energy intensity of gross domestic product (GDP) and the carbon intensity of energy (emissions/energy), coupled with continuing increases in population and per-capita GDP.
Journal ArticleDOI
Why are estimates of the terrestrial carbon balance so different
TL;DR: The carbon balance of the world's terrestrial ecosystems is uncertain this paper, and the top-down and bottom-up approaches have been used to calculate the sign and magnitude of a net terrestrial flux.
Journal ArticleDOI
Carbon dioxide emissions from fossil fuels: a procedure for estimation and results for 1950-1982
Gregg Marland,Ralph M. Rotty +1 more
TL;DR: In this article, the authors used the improved statistics on the production and use of fossil fuels which are now available and to review the CO 2 discharges to the atmosphere from fossil fuel burning.
Related Papers (5)
Trends in the sources and sinks of carbon dioxide
Corinne Le Quéré,Corinne Le Quéré,Michael R. Raupach,Josep G. Canadell,Gregg Marland,Laurent Bopp,Philippe Ciais,Thomas J. Conway,Scott C. Doney,Richard A. Feely,Pru N Foster,Pierre Friedlingstein,Kevin R. Gurney,Richard A. Houghton,Joanna Isobel House,Chris Huntingford,Peter Levy,Mark R. Lomas,Joseph D. Majkut,Nicolas Metzl,Jean Pierre Henry Balbaud Ometto,Glen P. Peters,I. Colin Prentice,James T. Randerson,Steven W. Running,Jorge L. Sarmiento,Ute Schuster,Stephen Sitch,Taro Takahashi,Nicolas Viovy,Guido R. van der Werf,F. Ian Woodward +31 more
A Large and Persistent Carbon Sink in the World’s Forests
Yude Pan,Richard Birdsey,Jingyun Fang,Jingyun Fang,Richard A. Houghton,Pekka E. Kauppi,Werner A. Kurz,Oliver L. Phillips,Anatoly Shvidenko,Simon L. Lewis,Josep G. Canadell,Philippe Ciais,Robert B. Jackson,Stephen W. Pacala,A. David McGuire,Shilong Piao,Aapo Rautiainen,Stephen Sitch,Daniel J. Hayes +18 more
Climate–Carbon Cycle Feedback Analysis: Results from the C4MIP Model Intercomparison
Pierre Friedlingstein,Peter M. Cox,Richard Betts,Laurent Bopp,W. von Bloh,Victor Brovkin,Patricia Cadule,Scott C. Doney,Michael Eby,Inez Fung,Govindasamy Bala,Jasmin John,Chris D. Jones,Fortunat Joos,Tomomichi Kato,Michio Kawamiya,Wolfgang Knorr,Keith Lindsay,H. D. Matthews,H. D. Matthews,Thomas Raddatz,Peter Rayner,Christian Reick,Erich Roeckner,K.-G. Schnitzler,Reiner Schnur,K. M. Strassmann,Andrew J. Weaver,Chisato Yoshikawa,Ning Zeng +29 more