Climate Change
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 […]
How Do We Know Earth Is Changing?
Scientists can use new and old pictures to keep track of Earth’s changes over time. Since Earth is where we live – and it’s the only planet we know of […]
Rising Waters Sea Level: NASA Infrastructure
A look at how NASA is dealing with the threat of sea level rise to its coastal infrastructure, particularly at Langley Research Center in Hampton, Virginia, and Ames Research Center […]
What Is the Greenhouse Effect?
Earth is a comfortable place for living things. It’s just the right temperatures for plants and animals – including humans – to thrive. Why is Earth so special?
Why Observe: Tree Height
“Why Observe?: Tree Height” explores surface height measurement missions and the role that citizen science can play within the scientific community.
Why Observe: Land Cover
Why do scientists use land cover observations from satellites, and why do they need help from citizen scientists? Find out the answer to these questions in Why Observe?: Land Cover […]
NASA’s 5 Newest Earth Expeditions Ready for Takeoff
NASA is sending five airborne campaigns across the United States in 2020 to investigate fundamental processes that ultimately impact human lives and the environment, from snowstorms along the East Coast […]
Why is Sea Level Rising? We Asked a NASA Scientist!
Why is sea level rising? Global sea levels are rising as a result of human-caused global warming, with recent rates being unprecedented over the past 2,500-plus years. NASA JPL’s sea […]
Temperature Record 101: How We Know What We Know about Climate Change
NASA’s global temperature analysis, takes in millions of observations from instruments on weather stations, ships and ocean buoys, and Antarctic research stations, to determine how much warmer or cooler Earth […]