Bhutan has measured citizens' well-being using gross national happiness since 2008 (left); GDP has been in use since the 1944 Bretton Woods meeting (right).

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Durban is unusual among cities worldwide in having a municipal government that has developed a locally rooted climate change adaptation strategy. This paper considers how climate change came to be considered by local government against four institutional markers: the emergence of climate change advocates among local politicians and civil servants; climate change as a signifi cant issue in municipal plans; staff and funds allocated to climate change issues; and a serious consideration of climate change issues within local government decision making. Considerable progress has been achieved on the second and third of these-but less so on the fi rst and fourth. The paper highlights how climate change issues need to be rooted in local realities that centre on avoiding or limiting impacts from, for instance, heat waves, heavy rainfall and storm surges and sea-level rise, and also the ecological changes and water supply constraints brought about by climate change. To date, international agencies have paid little attention to adaptation, as the reduction of greenhouse gas emissions (mitigation) has been prioritized. This paper also stresses the importance of building local knowledge and capacity about climate change risks and adaptive responses. Without this, decision makers will continue seeing environmental issues as constraints on development rather than as essential underpinnings of and contributors to development.

The lack of progress in establishing ambitious and legally binding global mitigation targets means that the need for locally based climate change adaptation will increase in vulnerable localities such as Africa. Within this context, "ecosystem-based adaptation" (EBA) is being promoted as a cost-effective and sustainable approach to improving adaptive capacity. Experience with the ongoing development of Durban's Municipal Climate Protection Programme indicates that achieving EBA in cities means moving beyond the conceptualization of a uniform, one-size-fits-all layer of street trees and parks to a more detailed understanding of the complex ecology of indigenous ecosystems and their resilience under climate change conditions. It also means engaging with the role that this "bio-infrastructure" plays in improving the quality of life and socioeconomic opportunities of the most vulnerable human communities. Despite the long-term sustainability gains of this approach, implementation in Durban has been shown to be both technically challenging and resource intensive. The close association between human and ecological systems in addressing climate change adaptation has also led to the development of the concept of "community ecosystem-based adaptation".KEYWORDS bio-infrastructure / community ecosystem-based adaptation / Durban / ecosystem-based adaptation / green economy / local government

This paper describes the institutional and resource challenges and opportunities in getting different sectors in eThekwini Municipality (the local government responsible for planning and managing the city of Durban) to recognize and respond to their role in climate change adaptation. The Headline Climate Change Adaptation Strategy launched by the municipality in 2006 did not catalyze the development of sectoral plans or significantly influence the Integrated Development Plan, the key document through which the municipal government sets and implements development priorities. Possible causal factors for this include limited human and financial resources and more immediate and urgent development needs. To address the situation, the municipality's Environmental Planning and Climate Protection Department encouraged and supported three pilot sectors to develop their own municipal adaptation plans. This more sectoral approach encouraged greater interaction among the sectors and provided each with a clearer understanding of their needs and roles from an adaptation perspective. It also highlighted how climate change adaptation could be used as a tool to address development priorities. This work will be extended through research into the cost-benefits of Durban being an "early adapter". Work has also begun on community-based adaptation (including support for reforestation projects that provide "green jobs") and on responses to slow onset disasters, food security and water constraints.

This paper considers the very large differences in adaptive capacity among the world’s urban centres. It then discusses how risk levels may change for a range of climatic drivers of impacts in the near term (2030–2040) and the long term (2080–2100) with a 2°C and a 4°C warming for Dar es Salaam, Durban, London and New York City. The paper is drawn directly from Chapter 8 of Climate Change 2014: Impacts, Adaptation and Vulnerability, the IPCC Working Group II contribution to the Fifth Assessment Report. It includes the complete text of this chapter’s Executive Summary. The paper highlights the limits to what adaptation can do to protect urban areas and their economies and populations without the needed global agreement and action on mitigation; this is the case even for cities with high adaptive capacities. It ends with a discussion of transformative adaptation and where learning on how to achieve this needs to come from.