TermTechnosphere
ContributorKan Li
Since the mid-20th century's "Great Acceleration," a new and emerging planetary paradigm known as the technosphere has taken shape, displaying enormous, yet still uncertain, potential. This concept, initially introduced by geoscientist Peter Haff, refers to a vast, interconnected system of material, energy, and information flux and has become a highly dynamic component of the Earth System.

The technosphere is not merely an interlinked set of communication, transportation, adaptation and management constructs derived from human activities; it operates as a quasi-autonomous system on a planetary scale, reshaping the Earth in ways akin to natural spheres like the biosphere, hydrosphere, and lithosphere, with which it interacts in complex ways. However, unlike traditional geological components, the technosphere heavily depends on human input while simultaneously imposing constraints on recycling and waste management processes. Its future as a lasting geological feature of Earth’s history or a transient episode depends on its capacity to adapt and develop effective recycling mechanisms.