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One of the challenges we face in this country is that of responsibly dealing with the environment. Experience has shown that quite often too is done in the way of conservation, though. One sad example is how the Bay of Guanabara, one of the finest tourist attractions in Brazil, in the past twenty years has become perhaps the most polluted bay in the country. Too garbage and too chemicals now pollute the bay, menacing both animal and plant life. (“The Living Bay”,Insight worldwide: Inglês para o Ensino Médio/ N.Mitrano-Neto, Marise Loureiro,M.AliceAntunes. 2.ed. São Paulo: Moderna, 2009.)