The technosphere in Earth system analysis: a coevolutionary perspective
Jonathan F. Donges, Wolfgang Lucht, Finn M\"uller-Hansen, Will Steffen

TL;DR
This paper explores the technosphere's role in Earth system analysis, emphasizing coevolutionary dynamics, agency, and networks to better understand technological influences on planetary sustainability.
Contribution
It introduces a coevolutionary perspective and complex adaptive networks to model the technosphere's interactions with social and biophysical systems.
Findings
Haff's view implies constrained human agency incompatible with sustainability goals.
Proposes complex adaptive networks for modeling technospheric dynamics.
Argues for a coevolutionary approach to reconcile sustainability and technosphere concepts.
Abstract
Earth system analysis is the study of the joint dynamics of biogeophysical, social and technological processes on our planet. To advance our understanding of possible future development pathways and identify management options for navigating to safe operating spaces while avoiding undesirable domains, computer models of the Earth system are developed and applied. These models hardly represent dynamical properties of technological processes despite their great planetary-scale influence on the biogeophysical components of the Earth system and the associated risks for human societies posed, e.g., by climatic change or novel entities. In this contribution, we reflect on the technosphere from the perspective of Earth system analysis with a threefold focus on agency, networks and complex coevolutionary dynamics. First, we argue that Haff's conception of the technosphere takes an extreme…
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