What is the number-one item sent to landfills every year?

The correct answer focuses on food as the number-one item sent to landfills each year. This is significant because a substantial portion of the food produced ends up wasted, representing a major environmental concern. Food waste in landfills contributes to greenhouse gas emissions, particularly methane, which is produced as food decomposes anaerobically (without oxygen).

The prevalence of food waste highlights issues in the food supply chain, consumer behavior, and the inherent challenges in managing surplus food. Many facilities are implementing systems to reduce food waste, such as composting or donating surplus food to organizations that serve those in need.

Other materials like plastics, glass, and paper also contribute to landfill waste but do not surpass the volume of food waste. This underscores the importance of focusing on strategies aimed at waste reduction, particularly in food-related sectors, to promote sustainability and environmental responsibility.