Related Clues:
- Waste-watching org
- Org. that monitors plants
- Smog-battling org
- Pollution-monitoring org
- Nixon admin. creation
- Smog watchdog org
- Greenpeace, etc
- Group concerned with mpg
- Smog control org
- Org. that covers Springfield in a dome in 'The Simpsons Movie'
- Cap-and-trade org
- Pollution watchdog (abbr.)
- Workers' protection org
- Protector of US workers
- Govt. agency with a flower logo