Milton Keynes local WDM group organised a stall at the World Picnic music event, held in Campbell Park in the city, on the last Sunday in July.
Hillary and Jeff from the St Albans group and Peter from the Northants group also helped, talking to people about the Carbon Capital campaign.
A number of response cards were filled in and sent off for forwarding to Vince Cable with the message that banks must be forced to reveal the true climate impact of their investment in fossil fuel energy projects.
Some people showed considerable interest and knowledge in world justice and development issues.