Digital finance has turned out to be an unexpected revolutionary, simply by enabling low-cost financial inclusion. Thanks to new financial technologies (fintech), consumers can shop seamlessly, migrants can send hard-earned money to their families cheaply, small businesses can access credit in minutes through Big Data-driven profiling, and savers can shape their own investment destinies. But if fintech is to reach its potential to advance the global public good, another factor must be accounted for: the environment. Read more on Project Syndicate