Journey from Montreal to Kigali: Achievement, implications for BD

Arif M. Faisal and Dr. Mohammad Ismail: Ozone gas, naturally present in our atmosphere, spreads from 10 km to 50 km altitude from the earth surface. Ozone protects our planet by absorbing the harmful ultra-violet (UV) radiation emitting from the sun by forming Ozone layer in the stratosphere(also referred to as "good ozone" layer).