What is the fine-grained topic of the following text: The amount of food thrown away in Scotland each year has fallen by 8% since 2009, while less than half of Scotland’s household waste was sent to landfill in 2014 – the first time that figure has ever fallen below 50%, and a sign that technology like anaerobic digestion can help to reduce demand on landfill space. Only return the topic.
Reduction of Food Waste and Landfill Use in Scotland