martes, octubre 15, 2013

Sierra Club on GMO's

http://www.sierraclub.org/biotech/intro.aspx

Genetic Engineering

CONCERNS WITH GMOS: WHAT IS THE SCIENCE?

This content was developed by the Connecticut Chapter, whose authorship is gratefully acknowledged.



Background
Genetically modified organisms (GMOs) or genetically engineered (GE) foods have the potential to cause a variety of health problems. For example, they may produce new allergens and toxins, and spread harmful traits to non-GMO crops. In addition, at least one major environmental impact of genetic engineering has already reached critical proportions: overuse of herbicide-tolerant GE crops has spurred an increase in herbicide use and an epidemic of herbicide-resistant "superweeds," which will lead to even more herbicide use. The long-term impacts of GMOs are unknown, and once released into the environment they cannot be recalled.

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