The arguments for behaving more sustainably are all well rehearsed yet there is still so much more to do, both as consumers and organisations.

So, is the core message fit for purpose or is it simply preaching to the converted? Why aren’t more people sufficiently convinced to take the action needed to deliver a more sustainable future?

Clearly the environmental and ethical arguments alone are not enough. So far, the business case has also failed to deliver a true sea-change in behaviour.

- How big a role should consumers play? Should brands lead or follow?

- How can we enable individuals and businesses to make better choices?

- Will it ever be possible to square the aspiration for sustainability with ambitions for business growth and the demands of shareholders?

- Which organisations are already succeeding in driving positive changes in sustainable behaviour and what lessons can we learn from them?

Our speakers were:

- Doug Johnston, director for climate change and sustainability at Ernst & Young.

- Professor Alan Knight OBE, sustainability expert with over 20 years’ experience and independent advisor to Virgin Group

- Harry Wallop, consumer affairs editor at The Daily Telegraph.