If your sustainability strategy is “make the logo green and say we care about the planet,” I have bad news: in 2026, your audience has receipts, a Wi‑Fi connection, and zero patience. Sustainable branding can absolutely help you win customers, loyalty, and talent. But eco‑friendly claims that are vague, exaggerated, or fake? Those can torch your reputation easily. Let’s unpack how to do sustainability marketing without getting roasted in the comments (or investigated). Why E