Burning coal to produce electricity creates carbon dioxide, which causes climate change, and many carcinogenic chemicals, including nitrogen oxides, mercury and sulphur dioxide.

A study of fire stations and training centres found evidence of carcinogenic chemicals from fires remaining on equipment, including breathing apparatus mask filters.

The ponds, which were poorly sealed, leaked carcinogenic chemicals, including carbaryl, lindane and mercury, into the soil and groundwater, which was the main source of drinking water for 50,000 residents.

Cooking red meats at high heats produces carcinogenic chemicals linked to the disease.

One explanation could be that cooking methods, particularly frying or barbecuing, produce potentially carcinogenic chemicals.

Scientists say antioxidants in the vegetable help break down carcinogenic compounds in the body.

Tattoo ink manufacturers acknowledge that 5% of tattoo studios use inks containing carcinogenic compounds, though they are campaigning to reduce it to zero.

It may be that cooking the nitrates at high temperatures causes them to form carcinogenic compounds.

Or maybe it could be down to the fact that processed meats contain potentially carcinogenic compounds called nitrosamines that may form in your stomach.

It has been speculated that the curing salt used in several types of processed meats may react with the protein and form carcinogenic compounds known as nitrosamines.

Indeed, nature itself provides plenty of carcinogenic substances.

Each day they are peppered with millions of small cylinders that leak carcinogenic substances.

All these gene types can be damaged by carcinogenic substances, or be subject to inherited faults, or fail as our bodies age.

This phenomenon can be viewed as adaptive and beneficial, because it protects the organism from toxic and carcinogenic substances.

Wood combustion products can include toxic and carcinogenic substances.

However, previous studies have found that potentially carcinogenic chemicals from the plastics consumed by marine creatures can leach into their edible flesh.

A light dusting of potentially carcinogenic particles?

One explanation could be that cooking methods, particularly frying or barbecuing, produce potentially carcinogenic chemicals.