The science behind heat domes

Temperature records have been breaking all over, as our Earth registers some of the hottest periods ever measured. Correspondent David Pogue explains how a "heat dome" has been driving up temperatures, and how extreme heat is affecting residents of Phoenix, where there has been a rise in hospital admissions for heat stress.
#heatwaves #globalwarming #climatechange @TheNatureConservancy @globalinstituteofsustainab9016
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