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A new underground map of the U.S. could help the electric grid avoid catastrophe

NPR | By Fiona Geiran,

Tyler Bartlam, Christopher Intagliata, Ailsa Chang

Published May 7, 2026 at 4:46 PM EDT

NPR's Ailsa Chang talks with Paul Bedrosian of the U.S. Geological Survey about a new map and model of the deep continental structure underneath the United States.

Copyright 2026 NPR

Fiona Geiran

Tyler Bartlam

[Copyright 2024 NPR]

Christopher Intagliata

Christopher Intagliata is an editor at All Things Considered, where he writes news and edits interviews with politicians, musicians, restaurant owners, scientists and many of the other voices heard on the air.

See stories by Christopher Intagliata

Ailsa Chang

Ailsa Chang is an award-winning journalist who hosts All Things Considered along with Ari Shapiro, Audie Cornish, and Mary Louise Kelly. She landed in public radio after practicing law for a few years.

See stories by Ailsa Chang

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