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"To tackle its (critical) raw material dependency, Europe needs comprehensive strategies based on sustainable primary mining, substitution and recycling. Freshly produced flows and stocks of landfilled industrial residues such as mine tailings, non-ferrous slag and bauxite residue (BR) can provide major amounts of critical metals and, concurrently, minerals for low-carbon building materials."

Aneel's College Board of Directors has authorized Copel (Paraná Electric Energy Company) to implement the pilot-project which determines the selling of exceeding energy, derived from animal waste, produced in small rural proprieties in Paraná. The project, named Distributed Generation with Environmental Sanitation Project, will allow the elimination of organic matter resulting from the hog creation, which will stop being released over rivers and deposits such as Itaipu's. Such residue will be transformed, via biodigesters, in biogas, a fuel used in the generation of electric energy.