Bang Goes The Theory Season 7 Episode 8 -

Airdate: 2013-Apr-29

Episode summary:

The team take a look at air pollution as they investigate where it comes from and what it is doing to people's wellbeing. Jem looks at how even clean-looking air can be unhealthy and demonstrates why modern diesel engines, despite their green credentials, might be worse for the environment than petrol.

About Bang Goes The Theory series:

Bang Goes the Theory is the BBC’s guide to popular science. Discover and challenge the scientific principles that shape your world – wa...Show more >