Brookes Graham, Barfoot Peter
PG Economics, Dorchester, UK.
GM Crops. 2011 Jan-Mar;2(1):34-49. doi: 10.4161/gmcr.2.1.15529.
This paper updates the assessment of the impact commercialised agricultural biotechnology is having on global agriculture from an environmental perspective. It focuses on the impact of changes in pesticide use and greenhouse gas emissions arising from the use of biotech crops. The technology has reduced pesticide spraying by 393 million kg (-8.7%) 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 17.1 %. The technology has also significantly reduced the release of greenhouse gas emissions from this cropping area, which, in 2009, was equivalent to removing 7.8 million cars from the roads.
本文从环境角度更新了对商业化农业生物技术对全球农业影响的评估。它重点关注了转基因作物使用所导致的农药使用变化和温室气体排放的影响。该技术已减少农药喷洒量3.93亿千克（-8.7%），因此，降低了与这些作物使用除草剂和杀虫剂相关的环境影响（以环境影响商数（EIQ）指标衡量）17.1%。该技术还显著减少了这一种植区域的温室气体排放，在2009年，这相当于道路上减少了780万辆汽车。
