Lee Fang: As the Republican presidential candidates tour Iowa hoping to lock up the 2012 nomination, they will hear an assortment of questions on energy policy. Some of them will be planted by the oil and natural gas lobby to steer the candidates toward pro-Big Oil policies.
Carole Bartolotto: The problem with concluding that GMOs are safe is that the argument for their safety rests solely on animal studies. These studies are offered as evidence that the debate over GMOs is over. Nothing could be further from the truth.
Mary Beth Fielder: Replacing your lawn with natives is a win-win-win-win. Restore the eco-system and bring back the native birds, bees and insects, save water, save money and create something beautiful in the process.