The U.S. Global Change Research Program released the National Climate Assessment Report, which says that climate change impacts are happening now. Every region of the country and key sectors of the U.S. economy feel the effects now. The report says, "Substantial...

Michael Bloomberg, Hank Paulson, and Tom Steyer call for a national risk assessment, saying: If the United States were run like a business, its board of directors would fire its financial advisers for failing to disclose the significant and material risks associated...

Stanford scientists Noah Diffenbaugh and Chris Field report that climate change is happening ten times faster than observed in the earth's historical record. Diffenbach says, "There are two key differences for ecosystems in the coming decades compared with the...