Crossword clues for environmentalist's concernAnswerClueOISEPOLLUTIONEnvironmentalists' concern in northern France?OZONEEnvironmentalists' concernCLIMATEEnvironmentalists' concernRAINFORESTEnvironmentalist's concernFAUNAEnvironmentalist's concernECOLOGYEnvironmentalist's concernIONOSPHEREEnvironmentalist's concernEROSIONEnvironmentalist's concernSMOGEnvironmentalist's concernACIDRAINEnvironmentalist's concernCLIMATECHANGEEnvironmentalist's concern ... or a hint to the shaded lettersOZONELAYEREnvironmentalist's concernENERGYEnvironmentalist's concernCARBONFOOTPRINTEnvironmentalist's concernOILREFINERYPlant concerning to environmentalists?ECOSYSTEMEnvironmentalist's concernOZONEWith 26-Down, environmentalist's concernCLIMATECHANGEEnvironmentalist's concern