World Ozone Day 2019: Why the world has celebrated Ozone Layer Preservation Day for 32 years and counting
The still-healing Ozone layer forms a natural shield that protects the Earth from the harmful UV rays of the sun.
World Ozone Day 2019: Dirty air from Gangetic plains, central India messing up the ozone neighbourhood
Emissions from the Indo-Gangetic and central India are affecting Bangladesh most severely among its neighbouring nations.
Breathing ozone irritates the airways and can worsen respiratory diseases such as bronchitis, emphysema and asthma.
The Montreal Protocol reduced the use of ozone-depleting chemicals and will lead to the healing of the ozone layer.
As CFCs are phased out, the ozone hole is generally growing smaller – a rare success for international environmentalism.