fernando henrique cardoso: from that point on, i believe that the brazilian people became more and morere of the importance of environment. so in 20 years, the change was like that. in 2002, it was already clear that the brazilians had much more awareness of the problems of environment than other people. on the other hand, we were burning our forests. it took 10 years to realize this is no longer acceptable. michael bloomberg: governments are responsive to citizens' demands. you don't think so all the time, and there is some friction in it. but fundamentally, governments only exist with the consent of the governed. and so, if the public demands cleaner air and cleaner water, and less traffic and whatever, the government will deliver it. and if you say you do not believe that, just take a look at china. the 10 biggest cities, all of which are well over 10 million people, you can't see across the street. you are breathing that air. it is disastrous for your health. everybody knows it. and the communist party that runs the country is very sensitive to the demands of the middle class that t