This is a good article i am also not sure if i agree with everything said. I also feel that they left out some important cons such as allergies to some Genetically modified foods. The writer is very biased on this subject as you can see in the only Con they mention by saying the only negative is that environmentalists will whine and ocmplain.

Some information regarding the safety of GMO's

The fact that GMO's, foods as well as vaccines, are modified with so many different genes that the consumer may have no idea about is just a huge health risk; but at the same time there are so many pros with using GMO's that i am very curious to see if the benefits of GMO's really do outweigh the dangers that some people face regarding allergies.

Some general information for GMO's