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This policy brief examines the value of interregional transmission to the U.S. grid under current policies and deep decarbonization scenarios.

This policy brief is informed by a 2025 MIT CEEPR working paper on the existing, and unequal, costs of climate change for American households.

Recapping MIT’s impact at the COP30 climate summit, a new 20-country coalition aimed at strengthening global carbon markets, and an MIT working paper examining data center demands on the grid.