Aboard of the Greenpeace ship Rainbow Warrior, moored in Macapá, during a meeting promoted by Greenpeace, political leaders debated the need to have a law to stop deforestation in the Amazon. The law of popular initiative which goal is Zero Deforestation already reached 160,000 signatures. Senator João Capiberibe (center) signs the petition and Paulo Adario, Greenpeace Brazil Amazon Campaign Director sits on the right. 04/27/2012