“This stuff is legitimately so hard that even just a little bit of progress is really valuable," Professor Arden Rowell told Vox about the EPA's new paper measuring the social cost of carbon. The paper uses existing frameworks to revise the regulatory body's estimate of what carbon costs the planet, but for the first time includes a value of lives of non-Americans. The change to an international context for the paper is a "substantial step forward" according to Rowell. 

For more on the merits, drawbacks, and implications of the administration’s social cost of carbon, read the full article from Vox.