Undercover tests on the passenger deck of a European cruiseship have unveiled high levels of harmful particles in the air.
A team of French journalists conducted the survey on an unnamed vessel and the results were broadcast last Friday.
The findings showed concentrations up to 200 times natural background levels.
Leif Miller, chief executive of Germany’s green pressure group NABU, said: “Shipowners expose their passengers to high loads of health damaging pollutants.
“Actually
