Sustainable business has changed more in the last five years than in the fifteen before it. Few people track those sustainable business trends from as close range as Noa Shtang, founder of EcoHubMap, a platform for sustainable and eco-friendly businesses. That’s still the core of the site: a sustainable business directory that’s organized by sector and kept current, instead of a “best of” list published once and left to rot. How has the sustainable business conversation changed since you started? The trends shaping sustainable business over the next five years come down to a blunter question: “can they prove it, line by line?”