OZONE DAY

2. Units used to measure total ozone in the atmosphere. (Named after a British scientist.)
5. Atmospheric layer where ozone is mainly found. (Above the troposphere.)
7. International protocol signed in 1987 to protect the ozone layer. (Think of a Canadian city.)
8. Radiation blocked by ozone. (Three-letter short form, harmful for skin.)
9. Gas discovered by Schönbein in 1839. (Smells sharp, like after lightning storms!)
10. Chemical group (besides CFCs) that destroys ozone. (Starts with H, used in fire extinguishers.)
11. Later amendment (2016) to phase out HFCs. (Capital of Rwanda.)
13. Harmful man-made gases responsible for ozone depletion. (Found in old fridges & ACs.)
14. Organization that confirmed the ozone hole in 1985. (American space agency.)
16. Process by which ozone is formed in the atmosphere. (Breaking O₂ with sunlight to make O₃.)

1. Type of cancer strongly linked to ozone depletion. (Skin disease caused by UV rays.)
3. Satellite that first provided ozone depletion data. (Shares name with a cloud type.)
4. Region where the ozone hole is most prominent. (Penguins live here 🐧)
6. If hydrogen molecule is written as H-TWO, ozone can be written as O-___
9. International day observed on September 16. (What day are we celebrating now?)
10. Greenhouse gas family targeted by the Kigali Amendment. (H–F–C–S.)
12. Decade when ozone recovery is expected. (Halfway through this century.)
15. The instrument aboard Nimbus-7 that measured ozone (abbr.). (Four letters, starts with T.)