Retailer Marks & Spencer today (7 November) said sales of its Fairtrade cotton products are continuing to grow across all its ranges, and that it is continuing to make strong progress in its Plan A strategy to become more environmentally and ethically friendly.

The high street chain, which yesterday posted an 11.5% rise in first half profit with clothing revenues up 3.1%, said women's wear, men's wear, lingerie, kids' wear and homewear made from Fairtrade cotton have generated sales of GBP15m (US$31.6m) so far this year.

M&S is also planning to extend its carrier bag charging trial to a further 33 stores in the south west of England in an attempt to reduce the number of bags used by customers. 

The Plan A update also revealed the company has started to use food waste to power some of its stores, and that cow slurry and agricultural crops will be used to generate electricity for some stores next year.

Launched in January, Plan A sets-out M&S' 100 'eco-targets' for the next five years, including aiming to become carbon neutral and send no waste to landfill.