University of Colorado Boulder

Rule Changes

As of September 2026: Conducted the study through its Institute of Behavioral Science

After two decades of narrowing, the gap between Black and White infant mortality in the U.S. has grown since 2020. A study of 57.9 million live births, published in JAMA Network Open on September 23, finds the widening is driven largely by a rise in sudden unexpected infant deaths (SUID) among Black babies.

Updated Sep 29

Built World

As of May 2026: Canceling normal operations during PSPS and wind-driven fire risk

Xcel Energy's deliberate blackout on Colorado's Front Range didn't end neatly when the wind eased. By the time crews could start patrols, the first PSPS was entangled with widespread storm damage. Xcel said total weather-related outages reached about 120,000—far beyond the roughly 50,000 customers initially targeted for de-energization.

Updated May 15