As Tyra Banks might say, “Climate action, but make it fashion.” More than 40 apparel-industry heavyweights, including Adidas, Burberry, Esprit, Guess, Gap, Hugo Boss, H&M, Inditex, Kering, Levi Strauss, Puma, Stella McCartney and Target have signed a milestone charter to collectively achieve net-zero emissions by 2050. Unveiled at the 24th Conference of the Parties to…