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International Agricultural Research As A Source Of Environmental Impacts: Challenges And Possibilities

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  • MICHAEL NELSON

    (Centro de Investigación y Planificación del Medio Ambiente, Bucharest 046, Segundo piso, Depto D, Providencia, Santiago, Chile)

  • MYWISH K. MAREDIA

    (Department of Agricultural Economics, 321 Agriculture Hall, Michigan State University, East Lansing, MI 48824-1039, USA)

Abstract

This paper deals with conceptual and methodological issues arising inex postenvironmental impact assessment of agricultural research. It presents a case study of approaches used (and not used) and challenges associated with theex postassessment of environmental impacts of research supported by the Consultative Group on International Agricultural Research (CGIAR). The paper illustrates the difficulty of tracking the global effects of agricultural research on natural resources due to a diffused and complex set of decision variables effecting intensification and expansion of land in agriculture, primarily in developing countries. The central point inex postimpact assessment concerns costs and benefits (in terms of relevant budget constraints and time frame for decision) of in-depth empirical versus qualitative analysis. Within this context we conclude that the empirical counterfactual approach ("with" and "without" research) is not an option. As a second best alternative, it is inferred from cases and global statistics that: in specific instances the introduction of high yielding varieties did have unintended impacts on natural resources, in part due to policy distortion and in part due to unforeseen chain reactions in the ecosystems. But on net balance, increased yields attributable to international agricultural research have had positive environmental impacts in the form of net land saving.

Suggested Citation

  • Michael Nelson & Mywish K. Maredia, 2007. "International Agricultural Research As A Source Of Environmental Impacts: Challenges And Possibilities," Journal of Environmental Assessment Policy and Management (JEAPM), World Scientific Publishing Co. Pte. Ltd., vol. 9(01), pages 103-119.
    • Handle: RePEc:wsi:jeapmx:v:09:y:2007:i:01:n:s1464333207002652
    DOI: 10.1142/S1464333207002652
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    References listed on IDEAS

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