When the Environmental Protection Agency abruptly retreated on its investigation into water contamination in a central Wyoming natural gas field recently, it shocked environmentalists and energy industry supporters alike.
Stuck explaining how something you know is the best scientific case by someone who keeps throwing "uncertainty" in your face? Here's a little primer on answering those critics.
Worries about oil and gas hog the airwaves. But copper is also essential to keep the world running: It threads through your house, your computer, your eco-correct hybrid car. And it's getting just as difficult, expensive, and environmentally menacing as oil to extract. We have entered the era of tough ore.