The Ecological Accounting Process (EAP) (“Proximity Pricing” for private & hybrid sector investing) is summarized here – see Part C & D:  https://davehuer.com/problem-solving-examples/

• (C) (2017-19) Project contributions – link to report to funding agencies
• (D) (2020) ESG Impact Investing Method (updates)

Respondents have mentioned not realizing that calculations can be two-directional (ie. we can calculate forwards and backwards, and that this can induce the process of continuous improvement to sustain access to the cost-superior services delivered by Nature). The new 1-pager ought to be helpful.