A study conducted by researchers at the Federal University of São Paulo (UNIFESP) found high levels of contamination on Perequê Beach in Guarujá, a city on the coast of São Paulo state, Brazil, with plastic litter and cigarette butts predominating. The detailed survey, one of only a few of the kind conducted worldwide, will contribute to the implementation of public policies to mitigate the problem. A study conducted by researchers at the Federal University of São Paulo (UNIFESP) found high levels of contamination on Perequê Beach in Guarujá, a city on the coast of São Paulo state, Brazil, with plastic litter and cigarette butts predominating. The detailed survey, one of only a few of the kind conducted worldwide, will contribute to the implementation of public policies to mitigate the problem. Environment Phys.org – latest science and technology news stories