Cities account for 73 % of global GHG emissions (IEA 2016); if nations should be able to deliver on their commitments under the Paris Climate Agreement, it is necessary to encourage and facilitate large-scale urban climate action. Achieving substantial reductions in energy-related emissions requires simultaneous climate action across sectors. Detailed, practical, and scientifically robust information exists on what type of climate actions urban areas can and must take to reduce their emissions. The aim of the Climate Opportunity report is to help local and national policymakers to establish the case for action by providing evidence on how climate policies are interrelated with, and deliver outcomes for, health, wealth and other development agendas. The Climate Opportunity report outlines the benefits for three highly effective climate actions and provides local and national policymakers with a guiding methodology for how cities and nations can evaluate these impacts and develop their own robust cases for climate action policies. Approach and Results The Climate Opportunity report looks at the wider impacts of climate change, up to 2030, by analysing how efforts to promote energy efficiency retrofits in residential buildings, enhanced bus networks, and district-scale renewable energy reduce emissions as well as affect health and prosperity in selected global regions. These measures, impacts and regions were selected based on insights from recent research that highlights the most relevant, high impact and achievable climate actions (ARUP & C40 Cities 2016; McKinsey & C40 2017). These actions are crucial to the delivery of the Paris Agreement. 2030 was identified as a reasonable timeframe for impacts to be captured, though immediate action from incumbent Mayors is still required in order to deliver the rate of necessary change to achieve these impacts in 2030. The report’s analysis focuses on two scenarios. First, a reference scenario that projects urban developments based on current trends and, second, an enhanced action scenario that assumes that each climate action is implemented at a level consistent with the requirements of the Paris Agreement. The Climate Opportunity report has found positive impacts for various regions and countries in different stages of economic development. The report also shows that climate action can have proportionally greater benefits for lower income groups in the cities of developing countries, where populations often have the most to gain from the introduction of new technologies and practices.
Source: Global Convent of Mayors
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