PTT Philippines, in support of the government’s National Greening program, launched the ”Sibol: Re-Greening Marikina Watershed” reforestation program to rehabilitate the Upper Marikina Watershed In photo, hundreds of volunteers join Miss Earth 2016 Imelda Schweighart at a tree planting activity at the San Ysiro Elentary School in Brgy. San Jose in Antipolo City.
