Climate Change April 22, 2021 8:39 am NASA Scientists Track Climate Change From International Space Station The effects of climate change over time are being tracked by NASA scientists through images and other data gathered at the International Space Station. Vianey Arana reports. US & World Videos 3:25 Checking in on California drought conditions 3:49 What to know about hydroclimate whiplash 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