MGB 7 Joins DENR CV in Cleanup Drives, Fight Against Global Plastic Pollution The Mines and Geosciences Bureau 7 (MGB 7) remains committed to environmental protection by actively participating in two major cleanup drives on June 5 and 7 in collaboration with various government agencies and private companies. These vital efforts, commemorating World Environment Day continue reading : MGB 7 Joins DENR CV in Cleanup Drives, Fight Against Global Plastic Pollution