Ecosystem for Sale: the oddity of privatizing nature

Given the uncertainty accruing to traditional investments in today's economy, here's a trend to consider: the monetizing of ecosystem services. One of the first public discussions of this, the Biodiversity & Ecosystem Finance Summit taking place in New York this weekend, aims to answer this question: how can financiers and corporations take a lead in biodiversity and ecosystem conservation? (I can think of a few ways, yes.)