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any addition of harmful substances or products in the environment (air, water, soil or food). For questions specifically about [air-polution], [greenhouse-gas-emissions] or [toxic-chemicals] please use those tags.

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Based on the question as currently worded, I believe you're concerned about fraudulent and 'anyway' offsets - paying money for a business to do what they would have done anyway. For example, if a com …
answered Mar 28 '13 by Eric H.