There have been a lot of stories about climate in the news this week. Here are a sprinkling of the most interesting ones.
Science: Butterflies are vanishing in the western U.S.—but not for the reasons scientists thought
CBS News: Humans, not nature, may be changing Atlantic hurricane cycles
Yale Climate Connections: U.S. dams, levees get D grades, need $115 billion in upgrades
CBS News: Global warming led to ancient mass extinction event, scientists say
