Mischief - Series 4 - Britain's Embarrassing Emissions

Rebecca Wilcox has an embarrassing problem - her carbon dioxide emissions, but she's ready to do something about them. But does everyone else feel the same way about theirs, and are the energy and aviation companies as green as they seem or are the boys in big business full of hot air? In this documentary, Becca is on a mission to find out who cares about the environment and who has been 'greenwashing'.