>The motion cited a 2021 Times investigation that found extreme-heat deaths are chronically undercounted in the state, and that the number of heat-related deaths between 2010 and 2019 could be as high as 3,900.<p>That number could rise to 4,300 people annually by 2025, and 11,300 by 2050 as heat waves worsen, according to projections from the California Department of Public Health.