For Gauri Sharma, director of strategy and engagement at the Fashion Producer Collective, the reason so many of the industry’s sustainability strategies fail is obvious: they’re not created with input from the people tasked with delivering them—which is to say, the manufacturers. “Producers are often handed roadmaps and plans that they had no role in shaping, filtered through systems that rarely reflect the reality,” she said at a recent webinar organized by the producer-led sustainability think tank. Bang for Buck, billed as a producer-led framework for prioritizing decarbonization that doubles as a tool, aims to change that. While slashing the supply chain’s planet-warming emissions is by no means an easy feat, fashion manufacturers aren’t short of “ideas, motivation or energy,” said Sharma, who was previously general manager of ESG and innovation at Shahi Exports in India. What they need—and currently lack—is clarity. But a vast disconnect often persists between brand strategies and factory actualities.…