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Feature: The definition of waste

Is it waste? A by-product? A residue? A simple enough question, you might think. But the answer is very far from simple. Whether or not something must legally be described as waste has been an issue of contention for some years. The point at which a material ceases to be considered waste is equally contentious. Both have kept teams of lawyers and regulators busy for years - and there's no immediate end in sight.