It's perhaps not the sort of 10th anniversary commemoration supporters of Pope Francis' landmark environmental encyclical Laudato Si' would hope for: That its auspicious June 18, 2015, publication date would 10 years later coincide with proposals by Congress to defund America's clean energy investments and pollution reduction programs, sell public lands to industry, establish legal permitting detours for potential polluters, and eliminate federal subsidies for energy-efficient technologies, among other not-so-green actions.