Crossword clues for Environmental group:SIERRA__ Club (environmental group)SIERRACLUBEnvironmental group since 1892ECOSYSTEMEnvironmental group functioning as a unitSIERRACLUBOakland-based environmental groupGREENPEACEEnvironmental groupSUNRISEMOVEMENTEnvironmental activist group with a Climate Mandate campaignELEANORCatton who wrote "Birnam Wood," about the entanglement between a billionaire and a guerrilla environmental-activism group (March, 2023)GREENPEACEEnvironmental awareness groupGREENPEACEEnvironmental activist groupECOLAWGroup of environmental regulationsGREENPEACEEnvironmental advocacy group