Earth Lab: Degrees of Change ยป

Earth is warming. Heat waves have become longer and more extreme. Cold snaps have become shorter and milder. Northern Hemisphere snow cover has decreased. Rivers and lakes are freezing later and thawing earlier. Arctic sea ice has declined. Glaciers and ice caps are melting in many parts of the world.

Why is this happening? What impacts will it have? What can we do about it?


Located in Washington, DC, the Marian Koshland Science Museum engages the public in scientific issues that affect our everyday lives.

The museum's state-of-the-art exhibits, public events, and educational programs encourage discussion and provide insight into how science supports decision-making. Teens and adults are invited to interact with the issues in a thought-provoking setting.

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