Wrong, there is ample evidence that there are adverse effects. But the reason you believe that is because these contraindications get almost no press, either in the MSM or in US-based journals. Never mind that it is nearly impossible to get funding for research for it, thanks largely to the US government actively funding only that research which does not "threaten" the health of large US companies like Monsanto.
See
here The basis of both letters and much of the research is the herbicide glyphosate. First commercialized in 1974, glyphosate is the most widely used herbicide in the world and has been for some time. Glyphosate has long been considered a relatively benign product, because it was thought to break down quickly in the environment and harm little other than the weeds it was supposed to kill.
According to the National Pesticide Information Center, glyphosate prevents plants from making a certain enzyme. Without the enzyme, they are unable to make three essential amino acids, and thus, unable to survive. Once applied, glyphosate either binds to soil particles (and is thus immobilized so it can no longer harm plants) or microorganisms break it down into ammonium and carbon dioxide. Very little glyphosate runs off into waterways. For these reasons, glyphosate has been thought of as more or less harmless: you spray the weeds, they die, the glyphosate goes away, and nothing else in the environment is harmed.
But Huber says this is not true. First of all, he points out, evidence began to emerge in the 1980s that "what glyphosate does is, essentially, give a plant AIDS." Just like AIDS, which cripples a human's immune system, glyphosate makes plants unable to mount a defense against pathogens in the soil. Without its defense mechanisms functioning, the plants succumb to pathogens in the soil and die. Furthermore, glyphosate has an impact on microorganisms in the soil, helping some and hurting others. This is potentially problematic for farmers, as the last thing one would want is a buildup of pathogens in the soil where they grow crops.
The fate of glyphosate in the environment is also not as benign as once thought. It's true that glyphosate either binds to soil or is broken down quickly by microbes. Glyphosate binds to any positively charged ion in the soil, with the consequence of making many nutrients (such as iron and manganese) less available to plants. Also, glyphosate stays in the soil bound to particles for a long time and can be released later by normal agricultural practices like phosphorus fertilization. "It's not uncommon to find one to three pounds of glyphosate per acre in agricultural soils in the Midwest," says Huber, noting that this represents one to three times the typical amount of glyphosate applied to a field in a year.
Huber says these facts about glyphosate are very well known scientifically but rarely cited. When asked why, he replied that it would be harder for a company to get glyphosate approved for widespread use if it were known that the product could increase the severity of diseases on normal crop plants as well as the weeds it was intended to kill. Here in the U.S., many academic journals are not even interested in publishing studies that suggest this about glyphosate; a large number of the studies Huber cites were published in the European Journal of Agronomy.
If Huber's claims are true, then it follows that there must be problems with disease in crops where glyphosate is used. Huber's second letter verifies this, saying, "we are experiencing a large number of problems in production agriculture in the U.S. that appear to be intensified and sometimes directly related to genetically engineered (GMO) crops, and/or the products they were engineered to tolerate -- especially those related to glyphosate (the active chemical in Roundup® herbicide and generic versions of this herbicide)."
Now, it may well be that the current experiment had nothing to do with Monsanto, but as we all know, once "GM is safe", it's always "safe". So radical action is not irrational if one wants to prevent the legalization of such crops that at the very least do not undergo rigorous testing by independent agencies.
Moreover, I don't see what it is Europe loses by not allowing GMO foods.. We're perfectly capable of growing our own crops here, and from what I remember from other articles, the higher crop yields are mostly a myth.