Macdonald's has stopped using polystyrene containers and now uses cardboard packaging that is made from renewable resources and is biodegradable or recyclable. Eco labels are awarded by authorities to products that have less harmful environmental impacts to increase consumer awareness. Eco labeling leads to improved product image and sales, manufacturers being more accountable for environmental impacts, and consumers being aware that their product choices affect the environment. India's Eco-mark Scheme involves three stages - determining product categories, identifying specific criteria, and certifying qualifying products to use the eco-mark.