Dre to big advance of globalization the planet is passing trough big problems : vehicles factories which are the main responsible by global qarming by liberation of pollutants gases. Resulting to the biosphere and to the alll population serious damages a result of their own acts . The subject about those problems are discussed with frequency and it is responsible for the meeting of various nations with the objective to create agreements to decrease the liberation of pollutants gases. One of these agreementes was the Kyoto Protocolo that not all economic powers agreed to sing . The use of renewable energy is also one of the forms to help the planet .
Aluna : Letícia Silveira
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