How would our cities change if we treated our buildings with the same care we give to a living forest? Sustainable ready-to-wear brand Another Tomorrow hosted its third “New Earth Dialogue” installment with architect Lindsey Wikstrom—founding principal of Mattaforma and recent recipient of the Cooper Hewitt National Design Award—to discuss. “Our idea of care for the built environment, I think, would be another big shift,” Wikstrom said during the discussion, which was held Thursday evening in partnership with media platform Madame Architect at the luxury label’s 2,000-square-foot Soho shop on  Wooster Street .   “Those meeting the material systems in the world would unlock this plant-based city for the future.” Debuted in January, the B Corp’s series of conversations began “in service of a vision for our collective future grounded in regeneration and abundance,” according to an Instagram caption posted earlier this year.…