Antismog definitions

Antismog

1) Like many clean-air laws 2) Pollutant-reducing 3) Promoting clean air
Found on https://www.crosswordclues.com/clue/antismog

---

antismog

designed to reduce smog by reducing the pollutants released into the earth's atmosphere: an antismog device for a car's exhaust.
Found on https://www.infoplease.com/dictionary/antismog

---