Considering the impact of waste on the environment, what is the best way humans can make a positive effect in this regard? 

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gsenviro | College Teacher | (Level 1) Educator Emeritus

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This is an interesting question. We are aware of the adverse environmental impacts of the waste we generate, yet we cannot stop generating the waste. This waste is generated during the processes necessary to support our lives and lifestyles, such as electricity generation, water purification, cooking, cleaning, etc. The waste that we generate includes gases (carbon dioxide, carbon monoxide, nitrogen oxide, sulfur dioxide, etc.), toxics (metals and chemicals), liquid waste, organic matter, biological waste, etc. This waste contaminates the key components of our environment (air, water, soil, etc.). One of the ways to make a positive impact is to use an anaerboic digester (or biogas plant) to convert the organic waste to energy (in the form of biogas, which is mostly methane). Another way is to prepare the compost of organic waste and use it as a replacement of fertilizers. We can also try to minimize our production of waste or recycle and reuse the waste materials that we generate.

Hope this helps.

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