No. Polyurethane is a synthetic material, which has many uses, including foam insulation, sealers, synthetic fibers, and structural materials. Polyurethane is widely used as an insulator, in things like homes and refrigerators, to improve fuel efficiency and reduce greenhouse gas emissions. In cars, polyurethane is used as a lightweight alternative to other materials, which makes cars lighter, and thus more efficient. In these ways, polyurethane helps to reduce greenhouse gases. Polyurethane can also be burned to produce energy, thus reducing the need to burn fossil fuels. While the production of polyurethane and the burning of it do release greenhouse gases, on the whole it is considered a beneficial material in terms of combatting carbon emissions.
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