Not only are we extracting resources from our planet at an incredible pace – 70 billion tons of materials in 2008 – but we are also destroying natural systems. Biodiversity and ecosystems have a huge value in economic terms as well. According to various studies, the benefits for the human race offered by ecosystems amount to 125,000 to 145,000 billion dollars a year.
Graphic elaboration of Karl Marx (engraving), by Robert Diedrichs, 1970
Capital is still a term thought to be confined to the realm of economics and finance. However, there also exists a...