This picture taken on February 13, 2019 shows a worker trimming leaves on a newly created dwarf palm oil tree at the Malaysian Palm Oil Board (MPOB) research station in Bukit Lawiang in southern Johor state. – Test tubes holding plants line shelves in a Malaysian laboratory, the heart of a breeding programme for dwarf palm oil trees which scientists hope will cut costs and limit environmental damage from the controversial industry. (Photo by Mohd RASFAN / AFP)