Climate Change January 6, 2025 4:50 pm What to know about hydroclimate whiplash Meteorologist Rob Mayeda explains what hyrdoclimate whiplash is and how it’s impacting California. 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