The Irish population are the second-highest per-capita polluter in Europe contributing to emissions.

Taxing the social bads and then subsidising the social goods is a strategy required for lowering the populations' pollution.

John Gibbons, Environmental commentator, Harry McCann, student, director of Movefast Media and Alexandra Ryan, Founder of Goss.ie joined the last Word to discuss.

Catch the full chat by pressing the Play button on this page.