Jeremy Rifkin on how we should approach the use of biotech. "It needs to be stressed that it's not a matter of saying yes or no to the use of technology itself and never has been ... Rather, the question is: what kind of biotechnologies will we choose in the coming biotech century? Will we use our new insights into the workings of plant and animal genomes to create genetically engineered "super crops" and transgenic animals? Or will we use them to advance ecological agriculture and more humane animal husbandry practices?