Frequency of combined droughts and heatwaves has substantially increased in western U.S. over past 50 years
A team of researchers from Canada, Iran and the U.S. has found that the frequency of combined droughts and heatwaves has increased substantially in the western U.S. over the past half-century. In their paper published in the journal Science Advances, the group describes their analysis of weather data going back to 1896 and what they learned from it.