From dumping raw sewage in rivers to littering the streets, humans don’t have a great track record when it comes to tackling our waste - but are we a uniquely filthy species? Show more
Discover 11,128,835 listings and 279,596 playable programmes from the BBC
From dumping raw sewage in rivers to littering the streets, humans don’t have a great track record when it comes to tackling our waste - but are we a uniquely filthy species? Show more