Using monetary terms as the only lever human society seems able to grasp, “we are getting serious about quantifying the value of nature’s stocks (natural capital) and nature’s flows (ecosystem services) … Why, for example, continue to source a raw material such as cotton from an agricultural ecosystem where soil is eroding and aquifers are d[r]ying up when there are sustainably managed ecosystems in other parts of the world?” (

Controversially they also suggest that money doesn’t buy happiness.