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Dagomar Degroot

Professor of Environmental History, Georgetown University, Washington, DC

Dagomar Degroot is an associate professor of environmental history at Georgetown University and the creator of The Climate Chronicles, a podcast and website. His latest book is Ripples on the Cosmic Ocean: An Environmental History of Our Place in the Solar System (2025). He lives in Washington, DC.

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Written by Dagomar Degroot

A space capsule floating in the ocean with four astronauts in an orange inflatable raft next to it.

essaySpace exploration

A lunar pandemic

In the 1960s, NASA went to huge expense to contain possible pathogens from the Moon. What can we learn from the attempt?

Dagomar Degroot

A historic painting depicting a bustling winter scene with people engaging in various activities on a frozen river near a village.

essayEnvironmental history

Little Ice Age lessons

The world’s last climate crisis demonstrates that surviving is possible if bold economic and social change is embraced

Dagomar Degroot

Painting of a frozen river, people walking and skating, London Bridge in background, overcast sky with dark clouds.

ideaEnvironmental history

Did European colonisation precipitate the Little Ice Age?

Dagomar Degroot