1. 5.5 Solid Domestic Waste (SDW)

2. Sources of SDW Solid domestic waste is garbage or trash which has no value to the producer USA = 3.5 kg SDW per day EU = 1.4 kg SDW per day Paper -16% Glass – 2% Metal – 3% Plastics - 18% Organic Food waste – 40%

3. Disposal of waste Landfill: Main method of disposal Hazardous waste and domestic waste is buried underground

4. Disposal of Waste Incinerator Burn waste at high temperatures Heat produced is often used to drive generators as steam energy Referred to as waste to energy incineration Causes air pollution, acid rain, global warming

5. Ways to manage waste Reduce, Reuse, Recycle Reduce- Use less of the product that produces waste Reuse- Use objects many times (no disposable products) Recycle- Use old products to create new ones

6. Ways to minimize waste Compost Organic Food Waste!! Vermicomposting : Vermicomposting is the process of having redworms and other decomposer organisms process our organic waste and turn it into a great natural fertilizer (called vermicompost).

7. Vermicomposting When compared to soil, worm casts also contain 5 times more nitrogen 7 times more phosphorous 1.5 times the calcium 11 times more potassium 3 times more exchangeable magnesium