Environmental impacts of genetically modified crops

Author:

Noack Frederik1ORCID,Engist Dennis1ORCID,Gantois Josephine12ORCID,Gaur Vasundhara3,Hyjazie Batoule F.4,Larsen Ashley5ORCID,M’Gonigle Leithen K.6ORCID,Missirian Anouch7ORCID,Qaim Matin89ORCID,Sargent Risa D.4ORCID,Souza-Rodrigues Eduardo1011,Kremen Claire2ORCID

Affiliation:

1. Food and Resource Economics, University of British Columbia, Vancouver, BC, Canada.

2. Institute for Resources, Environment and Sustainability, University of British Columbia, Vancouver, BC, Canada.

3. Institute for Policy Integrity, New York University School of Law, New York, NY.

4. Land and Food Systems, University of British Columbia, Vancouver, BC, Canada.

5. Bren School of Environmental Science & Management, University of California, Santa Barbara, Santa Barbara, CA.

6. Department of Biological Sciences, Simon Fraser University, Burnaby, BC, Canada.

7. Toulouse School of Economics, INRAe, University of Toulouse Capitole, Toulouse, France.

8. Center for Development Research (ZEF), University of Bonn, Germany.

9. Institute for Food and Resource Economics, University of Bonn, Germany.

10. Department of Economics, University of Toronto, Toronto, Ontario, Canada.

11. Centre for Economic Policy Research, London, England.

Abstract

Genetically modified (GM) crops have been adopted by some of the world’s leading agricultural nations, but the full extent of their environmental impact remains largely unknown. Although concerns regarding the direct environmental effects of GM crops have declined, GM crops have led to indirect changes in agricultural practices, including pesticide use, agricultural expansion, and cropping patterns, with profound environmental implications. Recent studies paint a nuanced picture of these environmental impacts, with mixed effects of GM crop adoption on biodiversity, deforestation, and human health that vary with the GM trait and geographic scale. New GM or gene-edited crops with different traits would likely have different environmental and human health impacts.

Publisher

American Association for the Advancement of Science (AAAS)

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