EPA
3 letters
Historical clue formulations
- Org. regulating air quality — 2026-08-30
- Org. that might do some spring cleaning? — 2026-08-28
- Fuel economy org. — 2026-05-13
- Waste watchdog, for short — 2026-04-04
- Org. regulating water safety — 2025-12-23
- Grp. with geologists and biologists — 2025-12-19
- Pollution-fighting org. — 2025-12-14
- Org. that oversees air quality initiatives — 2025-12-09
- Clean water org. — 2025-10-22
- A.Q.I. measurer — 2025-10-10
- Org. that measures A.Q.I. — 2025-09-26
- Pesticide regulator, in brief — 2025-09-08
- Org. concerned with ozone depletion — 2025-07-06
- Org. with toxicologists — 2025-06-28
- DDT banner — 2025-05-27
- Water-testing org. — 2025-04-15
- Green grp. — 2025-03-01
- Org. with the Acid Rain Program — 2025-02-26
- Air quality org. — 2025-02-06
- Org. that regulates "forever chemicals" — 2025-02-04
- Org. that helped phase out CFCs — 2025-01-14
- Nixon established it in 1970, for short — 2024-11-01
- Pollution-regulating org. — 2024-09-22
- Org. that tests the waters — 2024-09-12
- Clean air org. — 2024-07-23
- Emissions-monitoring org. — 2024-06-18
- Org. concerned with climate change — 2024-06-13
- Org. that enforces the Toxic Substances Control Act — 2024-05-29
- Lead regulator, for short — 2024-04-17
- Org. that regulates fertilizers — 2024-02-24
- Org. with an Office of Water — 2024-02-07
- Superfund grp. — 2024-01-07
- Green letters? — 2024-01-02
- Org. concerned with emissions — 2023-11-13
- Org. with grants for asbestos removal — 2023-11-09
- Org. that regulates hazardous waste — 2023-09-25
- Grp. that measures 1-Across — 2023-08-20
- Org. created the same year as Earth Day — 2023-07-09
- Org. established by Nixon — 2023-06-06
- Clean Air Act enforcer, for short — 2023-06-05
- Grp. regulating pesticides — 2023-05-28
- Greenhouse gas regulator, for short — 2023-04-27
- Org. with pollution solutions — 2023-03-27
- Org. established by 111-Down — 2023-03-19
- Government grp. employing ecologists — 2023-02-20
- Energy-monitoring org. — 2023-01-10
- Clean water org. — 2022-09-22
- Clean Air Act org. — 2022-09-18
- Clean air org. — 2022-09-13
- Clean Air Act org. — 2022-07-27