How extreme heat is damaging American transportation infrastructure

PBS News
John Yang & Andrew Corkery
13 July 2024

Scientists say much of the persistent and dangerous heat blanketing wide swaths of the country is a long-term result of greenhouse gas emissions. Climate scientist Kristina Dahl joins John Yang to discuss how it’s affecting everything from the power grid to trains, planes and automobiles.

What forecasters are calling an extremely dangerous heatwave is persisting in the West. And it's expected to extend triple digit temperatures to the Midwest and East this weekend. Scientists say much of this heat as a long term result of greenhouse gas emissions, and it's affecting everything from the power grid to trains, planes and automobiles.

Kristina Dahl is principal climate scientists with a Climate and Energy Program at the Union of Concerned Scientists. Kristina, let's start by focusing on trains, planes and automobiles, how this heat is affecting transportation and the transportation infrastructure...

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