
science
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.

India
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.

science
World Ozone Day 2019: Exposure to ozone near the ground at low levels continues to affect heath
Breathing ozone irritates the airways and can worsen respiratory diseases such as bronchitis, emphysema and asthma.

science
Ozone Preservation Day: Five questions you wanted to ask about the depletion of the Ozone layer
The Montreal Protocol reduced the use of ozone-depleting chemicals and will lead to the healing of the ozone layer.

science
World Ozone Day 2019: 32 years of the Montreal Protocol, the ozone layer is still on the mend
As CFCs are phased out, the ozone hole is generally growing smaller – a rare success for international environmentalism.