Clue: Environmentalist's annual observance
We have 1 possible answer for the clue Environmentalist's annual observance which appears 1 time in our database.
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Related Clues:
- April celebration
- Environmentalists' celebration
- April observance
- April commemoration
- Spring celebration
- Its flag depicts the Blue Marble
- Annual green event
- Annual "green" event
- *Scarcity
- Environmental observance
- April event that's 'green'
- April 22
- Observance first celebrated in 1970
- Event first observed in 1970