1. The Human Component of the Global Carbon Cycle
Global Greenhouse Gas Information System Workshop
15-16 October, 2008
California Institute of Technology
Pasadena, California, USA
Gregg Marland
Environmental Sciences Division
Oak Ridge National Laboratory
and
Tom Boden
Oak Ridge National Laboratory, USA
Khrystyna Hamal
Lviv Polytechnic National University, Ukraine
Matthias Jonas
International Institute for Applied Systems Analysis, Austria

2. Anthropogenic C Emissions: Fossil Fuel
2007 Fossil Fuel: 8.5 Pg C
[Total Anthrop.Emis.: = 10.0 Pg]
1850
1870
1890
1910
1930
1950
1970
1990
2010
: 0.9% y-1
: 3.5% y-1
Updated from
Raupach et al. 2007, PNAS; Canadell et al 2007, PNAS

3. Perturbation of Global Carbon Budget (1850-2006)
fossil fuel emissions
7.6
Source
deforestation
1.5
CO2 flux (Pg C y-1)
atmospheric CO2
4.1
Sink
land
2.8
ocean
2.2
Time (y)
Le Quéré, unpublished; Canadell et al. 2007, PNAS

5. CO2 Emissions from the United States
                                                                                                                                                                      

8. Cumulative fraction of total fossil-fuel emissions - 2005
number of country cumulative
countries fraction
USA
China
Russia
India
Japan
Germany
Canada UK
Iran
Mexico
Ukraine
Belarus
Moldova

9. Sources of US anthropogenic CO2 emissions - 2006
Fossil fuel combustion Tg C
Non-energy use of fossil fuels
Iron and steel manufacture
Cement production
Gas flaring/venting/leakage
Other industrial processes
Total
From US EPA, 2008