The crew of the Greenpeace Rainbow Warrior, stand next to two banners reading “Veta tudo, Dilma” (Veto all, Dilma) and “Desmatamento Zero já” (Zero Deforestation Now). A new proposal to change the country's decades old 'Forest Code' has been approved by the Brazilian congress, despite strong objections from scientists and environmental groups. President Dilma Roussef has until the end of this week to approve or veto the proposed changes.