LONDON, March 13 (Reuters) - Anglo American on Tuesday announced new goals to cut greenhouse gas emissions by 30 percent, improve energy efficiency by 30 percent and cut freshwater withdrawal by 50 percent in arid regions, all by 2030. Previous 2020 goals included an energy savings target of 8 percent and a goal to reduce greenhouse gas emissions by 21 percent, while cutting freshwater withdrawal by 20 percent. * Says goals will help cut costs, secure licences. Cutifani said the miner had reduced its thermal coal business by more than 50 percent over five years, but added governments and communities still depended on the fuel. "The financial benefits to our business by 2030 are expected to be significant, including from substantially reduced energy and water costs," CEO Mark Cutifani said as he announced the goals to investors in London.