Clue: Environmentalist's concern

We have 3 answers for the crossword clue Environmentalist's concern.

Possible Answers:

• RAINFOREST
• SMOG
• OZONE

Related Clues:

• Overhead concern?
• Outdoor breathing hazard
• Air apparent?
• (k) Dirty air
• Shadow over L.A.
• Atmospheric irritant
• (k) Unhealthy air
• Upper atmosphere gas
• Part of BYOB
• Mexico City pollutant
• Endangered layer
• (k) Polluted air
• Ultraviolet blocker
• Layer that screens ultraviolet rays
• Thinning atmospheric layer
• Arabic "son of"
• 22-mile-high layer
• Much-discussed layer
• Lead role on Harper Valley PTA
• Air Quality Index factor
• Something in the air
• It can leave you breathless
• Los Angeles bane
• Cause of a bad air day
• Important layer
• ... and 106 more.

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