Agricultural Practices That Reduce Greenhouse
Gases (GHGs) And Generate Co-benefits
Author(s)
K. Duncan
Abstract
Human activities are increasing atmospheric greenhouse gas concentrations, and
increasing temperature. The atmospheric concentration of carbon dioxide (CO2)
increased from a pre-industrial level of 280 ppm to 379 ppm in 2005, methane
(CH4) increased form 715 ppb to 1774 ppb, and nitrous oxide (N2O) increased
from 270 ppb to 319 ppb, and globally averaged surface temperatures
increased 0.6 + 0.2o C over the 20th century (Alley 2007 Climate Change 2007:
the Physical Science Basis. Summary for Policymakers. In IPCC Fourth
Assessment Report, pp. 1-18).
Stabilizing atmospheric GHG concentrations will require effort in every
sector of the economy, including agriculture, forestry, manufacturing, minerals,
and oil and gas. Agriculture, however, has a particularly important role to play in
terms of carbon sequestration (Pew Center on Global Climate Change 1999
Agriculture’s role in addressing climate change. http://www.pewclimate.org/
policy_center/ policy_reports_and_analysis/brief_agricultures. February 8, 2005;
and McNaughton 2001 A Workbook on Greenhouse Gas Mitigation for
Agricultural Managers. Alberta Environmental Sustainable Agriculture).
Agricultural practices that offset or reduce GHGs (e.g. store carbon in plants and
soil, or decrease methane and nitrous oxide emissions from agricultural lands
and livestock) may also have a positive impact on the quality of air, soil, water,
wildlife habitats, and indeed the broader environment (U.S. Environmental
Protection Agency 2004 Environmental co-benefits of sequestration practices.
http://www.epa.gov/sequestration/co-benefits.html. March 1, 2005).
This paper therefore identifies agricultural practices that reduce GHGs and
generate environmental and economic co-benefits.
Keywords: climate change, agriculture, greenhouse gas reductions, economic
and environmental co-benefits.
Keywords
climate change, agriculture, greenhouse gas reductions, economic
and environmental co-benefits.
Related Book
Other papers in this volume
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