Results
We examined the relationships of ethnoracial composition, residential
segregation, and air temperature in 13 states of the northeast and
mid-Atlantic U.S., in addition to Washington D.C., using a metric of
excess heat relevant to energy policy and planning for cooling needs:
cooling degree days (CDDs; i.e., the sum of degrees Fahrenheit
>65 °F for each daily mean temperature) in 2003–2019. This
region represents 17,733 census tracts nested in 434 counties,
representing approximately 72.4 million people according to the 2010
decennial census.