CNN: The world's getting hotter, the sea's rising and there's increasing evidence neither are naturally occurring phenomena. So says a report from the U.N. International Panel on Climate Change, a document released every six years that is considered the benchmark on the topic. More than 800 authors and 50 editors from dozens of countries took part in its creation. The summary for policymakers was released early Friday, while the full report, which bills itself as "a comprehensive assessment of the physical...