This paper is relevant to the impact areas in the following areas:
|Traits:||Herbicide Tolerance, Insect Res. (BT), Insect Resistance|
|Tags:||carbon sequestration, environmental impact quotient, no-tillage|
Abstract or Summary
This paper updates previous assessments of the environmental impacts associated with using crop biotechnology (specifically genetically modified crops) in global agriculture. It focuses on the environmental impacts associated with changes in pesticide use and greenhouse gas emissions arising from the use of GM crops since their first widespread commercial use 22 years ago. The adoption of GM insect resistant and herbicide tolerant technology has reduced pesticide spraying by 775.4 million kg (8.3%) and, as a result, decreased the environmental impact associated with herbicide and insecticide use on these crops (as measured by the indicator, the Environmental Impact Quotient (EIQ)) by 18.5%. The technology has also facilitated important cuts in fuel use and tillage changes, resulting in a significant reduction in the release of greenhouse gas emissions from the GM cropping area. In 2018, this was equivalent to removing 15.27 million cars from the roads.
Environmental impacts of genetically modified (GM) crop use 1996–2018: impacts on pesticide use and carbon emissions (held on an external server, and so may require additional authentication details)
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