Nike, Inc. (NYSE:NKE) is facing regulatory pressure after U.K. authorities ruled that one of its online ads included a misleading sustainability claim.The decision puts the sportswear giant at the center of a growing crackdown on green marketing across the fashion industry.The ruling, issued by the U.K.’s Advertising Standards Authority (ASA), is part of a broader investigation into environmental claims made by retailers.Also Read: Levi’s CEO Michelle Gass Reveals New Pricing Strategies To Offset ‘Very High ...