For Earth day, the Director of NASA’s Earth science division reflects on what she sees as one of the most useful instruments used to better understand our planet – satellites.
VIDEO: NASA uses satellites to track climate change
Scientists use satellites to better understand how climate change impacts the planet
We are experiencing technical difficulties with our commenting platform and hope to be up and running again soon. In the meantime, you can still send us your thoughts on Facebook or Twitter, or submit a letter to the editor.