New findings could actually improve practices for current biotech crops. Scientists have discovered that multiple toxins in transgenic crops don't help when it comes to pest control.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/multiple-toxins-bt-crops-dont-solve-pest-evolution-problem
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/science-world-report
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/gm-crops
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/gmos
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/toxins
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biotechnology
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biosafety
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment