Although our industrial society produces a variety of solid wastes and waste waters, over the past 50 years we have made progress in disposing of them safely in landfills, by incineration, and in underground injection wells. Many wastes are also increasingly recycled or reused.
An essential goal of waste management is to dispose of waste without contaminating water, soil, and air. Many wastes are disposed of safely in engineered landfills, by incineration, and in underground injection wells. All of these processes of waste management are monitored and regulated closely. Waste management can also provide economic opportunity: generating energy from landfill gas; recycling to produce new materials from used plastic, paper, glass, or metal; or composting to produce rich soil from yard and food waste. Read more