Brands line up Fairtrade Fortnight tie-in activity.

Charity places focus on cotton and fashion for annual awareness campaign.

The Fairtrade Foundation is to launch a social-media campaign to mark its annual promotional event, Fairtrade Fortnight.

The initiative, which this year runs from 28 February to 13 March, is called 'Show off your label'. The activity will include a consumer participation page on Facebook.

Ben & Jerry's and Starbucks, both of which have secured Fairtrade accreditation in the past 12 months, will promote the event. Other participating brands include Sainsbury's, Nestle and Cadbury.

Cotton is one of the central themes of this year's campaign. The Foundation claims that less …