Earth is changing faster than anyone can comprehend. Every day, more forests burn, more glaciers melt and more evidence of the world’s ancient cultures slips away. Change of some kind is, of course, inevitable — but it is happening more quickly and more severely because of the effects of human-caused climate change. And that has some scientists worried: The quicker Earth changes,the less time there is to learn from its past and understand its mysteries.

Recently, two researchers proposed a way to preserve a record of our planet in its present state: use lasers to create a high-resolution, 3D map of the entire world. It’s now the mission of a new nonprofit project called The Earth Archive, which is spearheaded by archaeologist Chris Fisher and geographer Steve Leisz, both of Colorado State University.

“The climate crisis threatens to destroy our cultural and ecological patrimony within decades,” Fisher said earlier this year in a TEDx talk. “How can we document everything before it’s too late?”

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