Gareth Porter: A former inspector for the International Atomic Energy Agency (IAEA) has repudiated its major new claim that Iran built an explosives chamber to test components of a nuclear weapon and carry out a simulated nuclear explosion.
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.
Winona LaDuke: With Keystone XL still delayed, Alberta Clipper is widely seen as the most important and immediate pipeline battle, and thus much of the U.S. tar sands campaign has been shifting its focus to this project.