A Coughing Child

The World Health Organisation (WHO) estimates that 300 million people have asthma. It’s estimated that of those 300 million, 250,000 die from the disease each and every year, and this figure has escalated over the last couple of decades.

There is a growing concern that the increased carbon dioxide gas due to global warming is leading to an increase in pollen production by some plant species. Research has shown that increased levels of carbon dioxide gas can cause some weeds to produce an increase in pollen that is disproportionate to the growth of the weed.

Besides the accelerating production of pollen by weeds, a warming planet also leads to an increase in ground level ozone gas. Ozone gas is known to exacerbate the symptoms of asthmatics.