There are two major traits among these GE crops: resistance to certain insect pests, and resistance to a weed-killer called glyphosate.

VOA: standard.2010.04.15

The report was intended to assess the environmental,economic, and social impact of GE crops on farm sustainability in the United States.

VOA: standard.2010.04.15

Wolfenbarger says insect-resistant GE crops have fewer adverse effects because farmers don't have to spray as many toxic insecticides.

VOA: standard.2010.04.15

The new report looked at research comparing the environmental impact of GE crops to conventional crops.

VOA: standard.2010.04.15