Environmental journalist Lucy Siegle investigates the rise of waste incineration in the UK, examining how millions of tonnes of waste left out for recycling ends up being burned. The rise in carbon emissions from incineration is put under the spotlight, with exclusive research revealing that it is on course to become the UK's dirtiest form of energy production. The programme also looks at how councils are locked into expensive contracts with incinerator operators forcing them to burn waste for decades to come.