MASBATE, July 10 — Standing knee-deep in coastal waters, environmentalist Andrea Pimentel guides workers as they drive bamboo poles into the seabed to block sediment from choking...

Standing knee-deep in coastal waters, environmentalist Andrea Pimentel guides workers as they drive bamboo poles into the seabed to block sediment from...

MASBATE, July 10 — Standing knee-deep in coastal waters, environmentalist Andrea Pimentel guides workers as they drive bamboo poles into the seabed to block sediment from…