Crossword clues for Environmental group 10 letters:SIERRACLUBOakland-based environmental groupSIERRACLUBEnvironmental group since 1892GREENPEACEEnvironmental groupGREENPEACEEnvironmental activist groupGREENPEACEEnvironmental advocacy groupGREENPEACEEnvironmental awareness groupSIERRA__ Club (environmental group)ECOSYSTEMEnvironmental group functioning as a unitELEANORCatton who wrote "Birnam Wood," about the entanglement between a billionaire and a guerrilla environmental-activism group (March, 2023)ECOLAWGroup of environmental regulationsSUNRISEMOVEMENTEnvironmental activist group with a Climate Mandate campaign