Answer: ACIDRAIN

AnswerCrossword Clue
ACIDRAINEnvironmental woe
ACIDRAINPerilous drops?
ACIDRAINEnvironmental concern
ACIDRAINHarmful fall
ACIDRAINCorrosive stuff from the sky
ACIDRAINEcological danger
ACIDRAINFormerly volatile U.S.-Canada issue
ACIDRAINDestructive precipitation
ACIDRAINLow-pH precipitation
ACIDRAINEnvironmental problem addressed in the Clean Air Act
ACIDRAINDeleterious precipitation
ACIDRAINOne cause of deforestation
ACIDRAINEnvironmental awareness topic
ACIDRAINFalling pollution
ACIDRAINEnvironmentalist's concern
ACIDRAINEnvironmental problem
ACIDRAINIndustrial fallout
ACIDRAINLightning by-product
ACIDRAINHarmful precipitation
ACIDRAINEPA concern
ACIDRAINEnvironmental issue
ACIDRAINPollutant linked to fossil fuels
ACIDRAINHarmful downfall
ACIDRAINEnvironmental hazard
ACIDRAINPolluted precipitation