We kicked off May 2009 with a City of London May Day event organised by Trading Visions, Justshare and the Fairtrade London Campaign.

It was a perfect sunny afternoon to fly the Fairtrade flag and we made a real statement by setting up our stands in the heart of the City – right at the steps of the Royal Exchange!

The last two months have seen two of the biggest chocolate industry players announce major ethical certification initiatives.

Cadbury's Dairy Milk bar will be Fairtrade certified in the UK and Ireland by the end of 2009, with plans to convert more of their range, and Mars are working with Rainforest Alliance to sustainably source all their cocoa by 2020, starting with Rainforest Alliance certification for the Galaxy bar in 2010.

To put these announcements in context and explore their significance, we put some questions to Mars and Cadbury, and to three external commentators...