Last decade was Earth’s hottest ever as CO2 levels reach an 800,000-year high, says UN report

FILE – Ricky Leath, an outreach specialist with the City of Miami, talks with Bei Zhao, right, as he works with the Miami-Dade County Homeless Trust to distribute bottles of water and other supplies to the homeless population, helping them manage high temperatures, May 15, 2024, in Miami. (AP Photo/Lynne Sladky, File)