How healthy is the air you breathe in airplanes? There have long been claims that cabin air contaminated by engine oil is putting at risk the health of millions of passengers every year. This air often comes directly from the engines, where it is heated and compressed. In the event of an oil leak, potentially toxic chemicals can enter into the plane’s air supply. Many pilots and air stewards claim their health has been seriously affected by these leaks. Some have been left unable to work for years. But the airlines deny there is a problem. We investigate aerotoxic syndrome.
We reveal how the oil industry been secretly financing scientific studies, launching false media reports and systematically deceiving the public about climate change - since 1946.
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For deliberately cheating the system, Volkswagen were made to pay a record $20 billion fine. But, as this investigation shows, they were far from the only culprits. We met the researchers who uncovered the cheat devise and investigate the dangers posed by NOx emissions.
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It’s the poison, rebranded as a health aid. For generations, fluoride has been associated with healthy bones and teeth and added to water. But it’s only good for us in quantities that are surprisingly easy to exceed. Above that, it can be toxic.
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