Widespread power blackouts pose potentially severe public health and safety risks, as well as serious drawbacks for various communities, businesses and services of all kinds. Arizona has experienced a number of serious blackouts in the recent past, particularly due to its extreme desert heat. But the state overall has remained well below the national average in the frequency of power grid outages. In this news podcast, Nathan Johnson, director of the Laboratory for Energy And Power Solutions. and an associate professor in  The Polytechnic School, part of the Fulton Schools, and others talk about the kinds of climate goals the state needs to meet to sustain reliable defenses against blackouts and their  consequences into the future.