September 16: International #OzoneDay // All you need to know for UPSC exam 🧵 (1/7)
Ozone, what?
- At 15-30km above earth’s surface, high ozone concentration forms Ozone Layer
- It absorbs 97-99% of UV (200-315nm wavelength)
- Detrimental to life on earth (2/7)
Hmm, so why Sept 16?
September 16, 1987: Montreal Protocol signed
What’s Montreal Protocol?
International Protocol pledging to eliminate the Ozone Depleting Substances (ODS) (3/7)