I read with interest Anne Zammit’s article (The Sunday Times of Malta, July 2) about the harmful and deadly dust of pigeons’ excreta. If this is all true there is cause to worry.

On the other hand pigeons are found only in certain urban areas.

What is more worrying is the exhaust fumes from cars that are discharged every second all over the island. I’ve seen toddlers in pushchairs with their faces on the same level as vehicles’ exhaust pipes. I wonder how their mothers do not realise this. Also of concern are the gases emitted from planes leaving the airport every day.

Imagine four massive jet engines on every aircraft belching out gases on their way to their destination, every day and night.

What happens to this? It drifts slowly onto us to enjoy and breathe.

I would like Ms Zammit to comment on this and whether she knows of any studies that have taken place on the effect of such gases.

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