He was best known for his leadership as president of the Save Sierra Madre Network Alliance (SSMNA), a group that staunchly opposed the controversial Kaliwa Dam project at the Sierra Madre ...

Quierrez is the co-founder of UGBON: Katutubong Kabataang Umuugat sa Kabundukan ng Sierra Madre, the first indigenous ... and Peoples Totally Opposed to Kaliwa Dam or STOP Kaliwa Dam network.

RIZAL, Philippines — Father Pete Montallana, a stalwart defender of Sierra Madre and indigenous peoples ... hearing as lead convenor of Stop Kaliwa Dam Network. He required brain surgery ...

Sierra Madre indigenous peoples activist Kristel ... Quezon province stands the would-be New Centennial Water Source-Kaliwa Dam, a major infrastructure designed to address Metro Manila’s water ...