release methane gas / wood products / toxic chemicals / food security / mining / studies and generate more technologies / /
NaturalFeature
Mt. Pinatubo / Karagawan River / Laco River / Lamut River / Binuan River / Asin-Galiano River / Apayao-Abulug River / Ambulalakaw Lake / Malunog River / Cabicungan River / Tumog River / Alimit River / Zumigui River / Nagan River / Malabanig River / Ziwanan River / Mt Prov / Akutan River / Budacao River / Siffu River / Ibulao River / Antamok River / Eddet River / Ambalanga River / Agno River / Alenod River / Saltan River / Chico River / Abra River / Pugo River / Pasil River / Tineg River / Balili River / Depanay River / Bued River / Baren River / Naguilian River / Layugan River / Tanudan River / Potia River / Amburayan River / Nabuangan River / Bokod River / Mallig River / Untenured Forest / /