Guardian: British consumers are likely to cut spending on expensive fair trade and organic items in response to the credit crunch amid widespread dissatisfaction over the variety of green products offered by retailers, new research has warned. Almost half of 4,000 consumers questioned said they were unwilling or unable to pay more for environmentally sustainable food and consumer goods, a survey by PricewaterhouseCoopers found. A comparison of 75 food, clothing, household and personal care …