Climate Change September 25, 2024 4:48 pm What to know about coral bleaching and how it impacts Earth In a warming planet, coral reefs are being impacted at an alarming rate. Meteorologist Vianey Arana reports. US & World Videos 2:55 Checking in on the Sierra snowpack 1:27 Christmas trees stressed in warmer climate 1:40 Air pollution concern for respiratory health, study says 1:29 UN hosts climate change conference in Azerbaijan 2:49 California reservoirs' levels drop after a summer of record heat and fire danger
