Intrinsic Exchange Group, led by Douglas Eger[1].
It tried to create a new kind of holding company called a Natural Asset Company.
The plan was to put leases on ecosystem services onto stock exchanges. A federal document shows the Exchange proposed listing standards for this new type of public company, calling it a new concept pioneered by Intrinsic Exchange Group. A tweet notes the firm launched the idea two years earlier and drew support from the NYSE and the Rockefeller Foundation. The company's own site says 'BE INVESTED'. The record does not show the attempt succeeded.
It shows how nature can be packaged as a financial product for investors.