It is less than 30 years since the canary was made ‘redundant’ in UK coal mines. For over 80 years, two canaries were employed by each coal pit to help detect carbon monoxide.
The science of smell and odours is of great importance to the chemical and process industries.
We have duties to ensure outdoor odours are measured, detected and abated and methods are becoming more sophisticated.
There has also been work to create artificial noses and mimic the human sense of smell.