2023 Was the Hottest Year on Record

2023 was Earth’s warmest year since 1880, and the last 10 consecutive years have been the warmest 10 on record. But why does NASA, a space agency, look at Earth’s temperature? And how do we even measure global temperature? Universal Music Production: “Busy Life Instrumental” “Spiritual Engineering Instrumental” “Promenade Instrumental” “Trusty Scalpel Instrumental” “Box of Tricks Instrumental” “Breaking Instrumental” and “Fast Progress Instrumental.” Credit: NASA’s Goddard Space Flight Center Kathleen Gaeta (NASA ROTHE): Lead Producer, Lead Videographer, Writer, Editor Gavin Schmidt (NASA GISS): Lead Scientist Peter Jacobs (NASA GSFC): Supporting Scientist Grace Weikert (GSFC ROTHE): Associate Producer Katie Jepson (GSFC KBR): Associate Producer Mark Subbarao (NASA GSFC): Lead Visualizer Krystofer Kim (GSFC ROTHE): Lead Graphics Animator This video can be freely shared and downloaded at While the video in its entirety can be shared without permission, the music and some individual imagery may have been obtained through permission and may not be excised or remixed in other products. For more information on NASA’s media guidelines, visit If you liked this video, subscribe to the NASA Goddard YouTube channel: Follow NASA’s Goddard Space Flight Center · Instagram: · X: · Facebook: · Flickr: