How Do We Know What Earth's Climate Was Like Long Ago? We Asked a NASA Scientist

1 year ago
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Earth's climate history paleoclimatology NASA scientist interview historical climate data climate research ancient climate patterns climate change analysis geological records environmental shifts past climate reconstruction

How do we know what Earth's climate was like long ago? If you look closely, there are clues just about everywhere across our globe. Some are easy to see and others are more subtle. NASA climate scientist Dr. Gavin Schmidt explains.

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