Environmentalists had argued that there might be a risk of cross-pollination between genetically modified plants and neighbouring crops.Also, read this regarding another Supreme Court ruling.
They also argued over-use of the company's weedkiller Roundup, the chemical treatment the alfalfa is modified to be resistant to, could cause pollution of ground water and lead to resistant "super-weeds".
in the time remaining, to help us understand how the man-made system of capitalism will lead to the extinction of our human species, and so many others.
We’ve lived so long under the spell of hierarchy—from god-kings to feudal lords to party bosses—that only recently have we awakened to see not only that “regular” citizens have the capacity for self-governance, but that without their engagement our huge global crises cannot be addressed. The changes needed for human society simply to survive, let alone thrive, are so profound that the only way we will move toward them is if we ourselves, regular citizens, feel meaningful ownership of solutions through direct engagement. Our problems are too big, interrelated, and pervasive to yield to directives from on high.
—Frances Moore Lappé, excerpt from Time for Progressives to Grow Up