That Heat Dome? Yeah, It’s Climate Change.

Michael E. Mann and 

Michael E. Mann is a professor of atmospheric science, the director of the Earth System Science Center at Pennsylvania State University and the author of “The New Climate War: The Fight to Take Back Our Planet.” Susan Joy Hassol is the director of the nonprofit organization Climate Communication. She publishes the series “Quick Facts” with the American Association for the Advancement of Science’s SciLine on the connections between extreme weather and climate change.