
Lower Falls of the Yellowstone River, protected as the world’s first national park in 1872. But how do we best protect nature in the future? YellowstoneNationalPark/flickr, CC BY

Many set out to discover new drugs and species in rainforests, but bioprospecting hasn’t done much for humanity of late. CIFOR/flickr, CC BY-NC-ND
You can’t simply ‘value’ nature as though it were a commodity able to be bought and sold.
Source: Nature can’t pay its own way – so lets take the market out of conservation