The pesticides used with the present generation of GM crops are less damaging to the environment, and less persistent in the soil, than many of the ones widely employed elsewhere in modern agriculture.

Sources:

A.M. Dewar, M.J. May, I.P. Woiwod, L.A. Haylock, G.T. Champion, B.H. Garner, R.J.N. Sands, A. Qi, and J.D. Pidgeon. (2003). A novel approach to the use of genetically modified herbicide-tolerant crops for environmental benefit. Proceedings of the Royal Society: Biological Sciences, 270, 335-340.

Mike J. May , Gillian T. Champion, Alan M. Dewar, Aiming Qi and John D. Pidgeon (2005) Management of genetically modified herbicide-tolerant sugar beet for spring and autumn
environmental benefit. Proceedings of the Royal Society B, 272, 111-119
(http://www.journals.royalsoc.ac.uk/app/home/contribution.asp?wasp=dce9431c566d463f9e1583206fba3467&referrer=parent&backto=issue,1,14;journal,4,185;linkingpublicationresults,1:102024,1 )

A.M.R.Gatehouse, N. Ferry, and R.J.M. Raemaekers (2002). The case of the monarch butterfly: a verdict is returned. Trends in Genetics, 18, 249-251.


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35. What about pesticide harm?