This is the cumulative non-government investment in the transition economy since 2007. Categories of investment include renewable energy, water & green infrastructure, and sustainable fintech like crowdfunding.
Is this a nearly impossible thing to quantify? Of course. Could we quibble about methodology until the cows come home? Sure. Yet is this accounting a worthy endeavor? Certainly! Should we all be paying more attention to any arena of this size and with this pace of development? As my middle school self would say, a-duh!
You can see the complete executive summary with links to the full report From Ethical Markets here.