COPENHAGEN — At this year’s Global Fashion Summit, sustainability discussions were focused not on ambition or environmental effects, but on whether the fashion industry can make innovation and impact commercially viable at scale. With the conference themed “Building Resilient Futures,” C-suite executives — many from the finance corners — took to the stage to frame sustainability more as a question of long-term business resilience, efficiency and survival. It was a palpable shift for a sector that, in recent years, often emphasized aspirational climate commitments and industry-wide pledges. This emphasis was coupled with the conference’s report, in partnership with BCG, that implored chief financial officers to integrate capital allocation and climate change risk management into their core business decisions, rather than placing it on the side with siloed teams.…