Environmental News Network: Climate change is making the news for a number of reasons, including Showtime's new series called "Years of Living Dangerously." The rise in greenhouse gas emissions is responsible for climate change, and the majority of scientists agree that most of the increase is caused by human activity. That said, there is a bit of good news when it comes to U.S. GHG emissions. The Los Angeles Times reports that greenhouse gas emissions in the U.S. decreased by 3.4 percent from 2011 to 2012. The report is based...