Major Asian bank says it’s not practical in the short term to cut off clients in the coal business CNBC 8 hrs ago Yen Nee Lee It's not practical to cut off clients in the coal business in the short term, said Piyush Gupta, chief executive of Singapore's largest bank DBS. DBS on Friday announced that it aims to eliminate thermal coal financing by 2039. Gupta, a member of CNBC's ESG Council, acknowledged that it's "very hard" to make sure clients are not "greenwashing" — a term used to describe giving misleading impression of green credentials. Singapore's largest bank aims for zero thermal coal exposure by 2039