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Comments on Caballo West Federal Coal Lease

The Office of Surface Mining and Reclamation Enforcement (OSM) issued its environmental assessment of extending the Caballo Mine West Tract federal coal lease. The mining plan would extend the life of the mine by approximately nine years, from 2042-2051, and increase the amount of coal mined from an average of 10.1 million tons per year to approximately 13.5 tons per year. Despite quantifying over 23 million tons of yearly carbon dioxide equivalent emissions, OSM does not include a monetized estimate of the climate damages those emissions will produce. We submitted joint comments asking that OSM use the social cost of greenhouse gases to better weigh the real-world impacts of potential coal leasing.