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Mar 9, 2016 · GMO crops have increased glyphosate use, which is harmful for human health and wildlife. Learn how GMOs have failed to deliver on their promises of sustainability and why they should be labeled.
- Introduction
- GM IR and HT Technology
- GM Herbicide Resistance
- GM Insecticide Resistance
- Greenhouse Gas Emissions
- Conclusion
- References
Genetically modified (GM) crop technology was widely adopted for commercial use in 1996 and is mainly used in corn, soybean, cotton, and canola crops. In 2018, 48% of the global plantings of these four crops utilized biotechnology.1 The main traits conferred to these crops through this technology are insect resistance (GM IR) and herbicide toleranc...
Perhaps the most conflicting research surrounding GM crops concerns their effects on herbicide use and the subsequent environmental impact. Some countries have experienced a net decrease in herbicide use associated with the adoption of GM crops. For example, in Canada, the use of GM HT soybeans has resulted in a decrease of herbicide use compared t...
While the shift in the type of herbicide used on GM crops represents a net improvement as measured by EIQ, the dominant use of one or two herbicides has resulted in broad spectrum herbicide resistant weeds. Specifically, the use of glyphosate tolerant crops has resulted in glyphosate resistant weeds which have created major problems in some regions...
As with any environmental management tactic, there is concern that GM crops may cause adverse effects on non-target species. Species of concern include parasitoids and arthropod predators of crop plants.5,6 For example, in 1999 a published study raised concerns that a Bacillus Thuringiensis (Bt) insect resistant corn crop was negatively impacting M...
Of great significance to the environment, changes in agricultural practices associated with GM crop use are associated with a reduction in fuel use and a concomitant decrease in greenhouse gas emissions. This impact is due primarily to a reduction in spray runs in GM IR crops and a switch from conventional tillage to reduced or no tillage farming s...
While there are many regulations in place to prevent GM crops from harming the environment, there is still potential for this technology to have a negative impact. Research does show that GM technology has led to the creation of HT weeds and is associated with a net increase of herbicide use on some crops in some regions.1,4 In many cases, these ef...
Brookes G, Barfoot P. Environmental impacts of genetically modified (GM) crop use 1996-2018: impacts on pesticide use and carbon emissions. GM Crops Food. 2020;11(4):215-241.Meftaul IM, Venkateswarlu K, Dharmarajan R, et al. Controversies over human health and ecological impacts of glyphosate: Is it to be banned in modern agriculture? Environ Pollut. 2020;263(Pt A):114...Carvalho FP. Pesticides, environment, and food safety. Food and Energy Security. 2017;6(2):48-60.Klumper W, Qaim M. A meta-analysis of the impacts of genetically modified crops. PLoS One. 2014;9(11):e111629.May 9, 2023 · Studies have shown GMOs can have positive environmental impacts and can be important tools for addressing the causes and effects of climate change.
Jan 5, 2024 · There are various pros and cons of genetically modified foods (GMOs) Learn what the research says about the effects of GMO foods on human health and the environment. Medical News Today...
Apr 17, 2017 · It is widely accepted that increases in atmospheric levels of greenhouse gases such as carbon dioxide, methane and nitrous oxide are detrimental to the global environment (see for example,Intergovernmental Panel on Climate Change ( 2006 Intergovernmental Panel on Climate Change)).
- Graham Brookes, Peter Barfoot
- 2015
Sep 14, 2016 · The largest study of its kind found that genetically modified soybeans and maize have decreased insecticide use, but also increased herbicide use and environmental impact. The researchers attributed the increase to glyphosate-resistant weeds and the need for more chemicals to control them.
Apr 19, 2023 · Learn more about GMOs and the Environment. Do GMOs have impacts outside the United States? GMOs also impact the lives of farmers in other parts of the world.
