2 land use change primarily tropical deforestation
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How Are We Increasing the CO 2 Concentration?. 1. Burning of fossil fuels. 2. Land-Use Change (primarily tropical deforestation). http://eces.org/gallery/. CO 2 & Global Change. Fossil fuels still provide ~80% of the world's total energy needs. http://eces.org/gallery/.

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2. Land-Use Change (primarily tropical deforestation)

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2 land use change primarily tropical deforestation

How Are We Increasing the CO2 Concentration?

1. Burning of fossil fuels

2. Land-Use Change (primarily tropical deforestation)

http://eces.org/gallery/


2 land use change primarily tropical deforestation

CO2 & Global Change

Fossil fuels still provide ~80% of the world's total energy needs

http://eces.org/gallery/


2 land use change primarily tropical deforestation

Atmospheric Carbon Dioxide (CO2) Concentrations (1750 to present)

Data Source: C.D. Keeling and T.P. Whorf, Atmospheric CO2 Concentrations (ppmv) derived from in situ air samples collected at Mauna Loa Observatory, Hawaii, Scripps Institute of Oceanography, August 1998. A. Neftel et al, Historical CO2 Record from the Siple Station Ice Core, Physics Institute, University of Bern, Switzerland, Sept. 1994.


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