Explore whether climate change is a result of human activities versus the "natural order of things."

Learn more about Paleoclimate

Ever wonder how scientists know about Earth’s past climates? Us too. So, we journeyed around the world with a couple of climate scientists to reveal just how trees, coral, and ice contain information about past temperatures, rainfall, snowfall, CO2 concentrations, and more. Some of these records hold information of the more recent past whereas others contain detailed accounts much further back in Earth’s history.

The End of The Woods

In The End of the Woods, Arnold Schwarzenegger explores how tree rings can tell us about warmer temperatures, longer summers, and wildfires.

The Scientist

In the Scientist, M. Sanjayan travels from a tropical Pacific island to high up in the Andes following a couple of paleoclimatologists as they unlock the past and future of our planet’s changing climate.


NASA Earth Observatory
Kimm Cobb’s Lab: Paleoclimate and Climate Change


Like a baseball player on steroids, our climate system is breaking records at an unnatural pace.

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Learn how the burning of fossil fuels such as coal, oil, and gas for energy production impact climate change.

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