Des Moines Register: U.S. Agriculture Secretary Tom Vilsack said today that agriculture tends to take the brunt of criticism about climate change, but the industry contributes only 9 percent of the greenhouse gases blamed for a warming planet.
"Everyone assumes what's happening globally is happening nationally," said Vilsack, a keynote speaker at Drake University forum on climate change. "Clearly, there are challenges globally in terms of agriculture and its contribution to greenhouse gas emissions. That's not necessarily...