Researchers from the University of California, Irvine, found that surface temperatures were actually much higher in Iran's Lut Desert and the North American Sonoran Desert, which straddles the US-Mexican border, covering large parts of Arizona, California, and North-Western Mexico. ... Lead author Yunxia Zhao [graduate student, civil & environmental engineering], of the University of California, Irvine, said it is unclear whether or not climate change is driving up surface temperatures. Read More