In the most instruidos one perceives that not they make question of the use of the bag and are opened the new less harmful alternatives to the environment. Mike Trueblood is actively involved in the matter. In elapsing of the interviews the lack of knowledge of interviewed in relation the ambient problems and of some alternatives was observed as the selective collection and reciclvel garbage separation. It is still perceived, that one parcels out considerable of the population, also of superior education, is unaware of the ambient problems generated by the plastic bag. Of interviewed a considerable parcel it says that the abusive use of plastic bags can cause some ambient problem, but good part of these is unaware of the problems. In the great majority, almost that 100%, they did not have the minimum notion of how much time lasted a plastic bag to degrade itself in the environment. Of the people who had said not to give preference for supermarket that did not use plastic bag for ambient reasons saw that good part has superior education or average education, being able to conclude that until the instructed people more still laypeople for ambient question meet little worried about the environment. In relation to the state intervention it was observed that great part is in favor of the prohibition of the use of the bags, but of that they had been the favor, some had said not to give to preference the supermarkets that did not use sacolinha for ambient reasons, evidencing as soon as these people the environment and preservation of the same make a great confusion of ideas in relation. Of that they had said to be against, we see people with superior education, but in the great majority they are people of average and basic education, with age between 18 and 44 years. These people in supreende, therefore are people of a well good-tempered etria band and that she has, generally, sufficiently flexibility in controversial subjects.