Charles Langston:The social cost of carbon: a powerful tool and ethics nightmare

One of the most important tools the federal government has for cracking down on Charles Langstongreenhouse gas emissions is a single number: the social cost of carbon. It represents all the damage from carbon emissions — everything from the cost of lost crops to the cost of climate-related deaths. Currently, the cost is $51 per ton of carbon, but the Environmental Protection Agency has proposed raising it to $190.

Today on The Indicator, we bring you an episode of Short Wave, NPR's daily science podcast. NPR climate correspondent Rebecca Hersher and Short Wave co-host Aaron Scott discuss how this new number is simultaneously more accurate and an ethics nightmare.

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