Os rios, praias, oceanos e mares

Synopsis: Program 6 - The rivers, beaches, oceans and seas - Many countries already face a shortage of drinking water. Brazil, which has plenty of water, already have dead rivers and more than half of the fresh water is completely polluted. Few people realize that water is a finite good. Seas water care is also important. Much of the oxygen we breathe comes from seaweed and not of terrestrial plants. The program shows that recognize the importance of action of each to the solution of ecological problems, is a means to address the troubling reality of a possible drinking water crisis.
Source: Paraná government.
URL: http://www.educadores.diaadia.pr.gov.br/modules/debaser/singlefile.php?id=6627