Still in celebration of PT Bukit Asam Tbk's 37th anniversary, PTBA held a greening support action through mangrove planting activities. This activity was held on Saturday, March 10, 2018 located in Desa Bahagia Kecamatan Muara Gembong-Bekasi. The mangrove planting activity begins on the morning at 10.00 am. All participants who attended the planting activities were invited to take a boat first to the location of the planting located on the beach. The planting activity which was attended by 150 participants was opened by planting mangrove by PTBA management representatives, namely Mr. Suherman as Corporate Secretary and Head of District from Muara Gembong along with head of Desa Bahagia. All participants who were present from local community leaders, Bahagia residents, PTBA management, PERISKA, and the committee seemed enthusiastically involved to carry out the mangrove planting action. 6000 mangroves tree are planted in an area of 24,000 m2 in the area of Desa Bahagia. This mangrove planting action aims to maintain coastline and protect from abrasion. Thousands of mangrove are obtained from mangrove farmers who also work as fishermen. The proceeds from the sales of mangrove seedlings are also reused for the developing and greening on the beach area.