Table 1 Summary of the key features of the three case studies.

From: The emerging role of mega-urban regions in the sustainability of global production-consumption systems

MUR

London

Tianjin

Bangkok

Global PCS

Biomass fuel

Industrial materials

Seafood

Case

Replacing imported biomass fuel with local waste heat as source of energy

Industrial symbiosis

Sustainability standards and labels

MUR role in PCS

Consumer

Producer

Trader

Population in 2015 (millions)a

8.7–10.2

15.5

10.6

Hinterlands Impacts

Land-use and atmosphere

Land-use and atmosphere

Coastal land, marine and atmosphere

Governance Innovation

City government pushes for lower emission fuels

Boundary organization facilitates match-making between industries

Public-private mix sets or adopts Minimum and Voluntary standards and labels

Operational Approach

Decentralized energy at prices lower than from national grid

Smaller number of supply chains

Leveraging the pull of retailers & brands

Impacts

Reduces reliance on hinterlands Reduce GHG emissions

Reduces reliance on hinterlands Reduce GHG emissions

Reduces amount of raw materials, reduces solid waste.

Aquatic Hinterlands used more sustainably

Demonstration value to other firms/sectors of carbon-footprinting

  1. aMUR spatial and population data can vary based on agency assessments.