The report "How to Retire Early: Making Accelerated Coal Phaseout Feasible and Just" by Rocky Mountain Institute explores the possibility of phasing out coal in a feasible and just manner. The report is based on input from over 60 individuals from over 30 institutions and has been funded by several foundations. The authors of the report are Paul Bodnar, Matthew Gray, Tamara Grbusic, Steve Herz, Amanda Lonsdale, Sam Mardell, Caroline Ott, Sriya Sundaresan, and Uday Varadarajan.