Urban socio-ecological imaginaries: the discourses of urban natures

The discourses of urban natures, their practices and outcomes are crucial to understand urban environmental injustice and inequality:

There is a growing global awareness of the environmental crisis (global warming, new diseases, biodiversity loss, resource depletion, pollution…):

 

 

Click here to read a list of topics on which further research is needed.

Mid 19th Century antecedents to urban sustainability

Both social authors and natural scientists proposed theories on urban sustainability.

Social authors, such as Friedrich Engels (The Condition of the Working Class in England, 1971 [1844]),  showed the following relationships:

Natural scientists, such as Jacob Moleschott (1852) and Justus von Liebig (1855), among others also pointed out this relationship:

The main concept behind these antecedents is that of metabolic notion: the city and the environment exchange energy and substances. 

The city is conceived as an organism, which receives from the environment and gives away to the environment. This exchange is vital:

Karl Marx incorporated this idea in Capital by Karl Marx (1981 [1867] p. 949):

Marx also described the consequences of the metabolic division in Capital (1981 [1867] p. 949).