Japanese brewery announces plans to introduce carbon labels for one of its products from next March
But experts warn retailers cannot afford to back away from sustainable products
Local councils and retailers at loggerheads over who is responsible for poor recycling rates
As critics accuse carbon labels of confusing customers, supermarket giant insists initiative has proved "encouraging" and cheaper than expected
Source claims supply chain issues hampered retailer's plans to buy organic cotton
Report claims "sustainable" bioplastics could lead to increased methane emissions if not recycled correctly