New York Times: It is probably a safe bet that very few Americans unwrapping a brand-new iPhone left under their Christmas tree are thinking about its impact on the global climate. I have some good news for them, and some bad. No, Apple hasnt managed to produce the device without adding heat-trapping carbon to the air. The company expects an iPhone 5s to inject 70 kilograms about 154 pounds of carbon dioxide equivalent into the atmosphere over its lifetime, 11 pounds less than the iPhone 5 that Apple introduced...