OLONGAPO CITY — With muddy boots and seedlings in hand, young volunteers waded through a mangrove sanctuary in Orion, Bataan, planting new life along the coast to kick off a month-long campaign for environmental protection on Saturday, April 11. The activity marked the start of Earth Month initiatives led by the Nuclear-Free Bataan Movement (NFBM) and the Young Bataeños for Environmental Advocacy Network (YoungBEAN). The groups organized mangrov…