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Researchers at RMIT university tested a mixture of asphalt and discarded cigarette butts to see if it could be a viable recycling program used in major cities in the future. The results so far are encouraging and could lead to the integration of some of the trillions of cigarette butts discarded every year into the environment into viable building materials.

It’s estimated that about 6 trillion cigarette butts are produced worldwide every year. [...]