Let’s be honest for a second. For the longest time, “investing” felt like a purely numbers game—spreadsheets, volatility indexes, and the cold, hard pursuit of alpha. But somewhere around the last decade, a shift happened. People started asking a deceptively simple question: What am I actually funding with my 401(k)? That question is the heartbeat of sustainable finance. It’s not about sacrificing returns for tree-hugging vibes. It’s about recognizing that your portfolio is a powerful…