☆ 4.4 Editorial Material

Demand-side approaches for limiting global warming to 1.5°C

ENERGY EFFICIENCY (2019)

期刊

ENERGY EFFICIENCY

卷 12, 期 2, 页码 343-362

出版社

SPRINGER

DOI: 10.1007/s12053-018-9722-9

关键词

Behavioral change; Demand-side approaches; Energy efficiency; Climate change mitigation; Low-carbon energy technologies; Paris Climate Agreement; Mitigation pathways; Policy instruments; 1.5 degrees C target

类别

Green & Sustainable Science & Technology Energy & Fuels Environmental Studies

资金

Swedish Energy Agency [38263-1]
ERC [678799]
European Research Council (ERC) [678799] Funding Source: European Research Council (ERC)

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摘要

The Paris Climate Agreement defined an ambition of limiting global warming to 1.5 degrees C above preindustrial levels. This has triggered research on stringent emission reduction targets and corresponding mitigation pathways across energy economy and societal systems. Driven by methodological considerations, supply side and carbon dioxide removal options feature prominently in the emerging pathway literature, while much less attention has been given to the role of demand-side approaches. This special issue addresses this gap, and aims to broaden and strengthen the knowledge base in this key research and policy area. This editorial paper synthesizes the special issue's contributions horizontally through three shared themes we identify: policy interventions, demand-side measures, and methodological approaches. The review of articles is supplemented by insights from other relevant literature. Overall, our paper underlines that stringent demand-side policy portfolios are required to drive the pace and direction of deep decarbonization pathways and keep the 1.5 degrees C target within reach. It confirms that insufficient attention has been paid to demand-side measures, which are found to be inextricably linked to supply-side decarbonization and able to complement supply-side measures. The paper also shows that there is an abundance of demand-side measures to limit warming to 1.5 degrees C, but it warns that not all of these options are seen or captured by current quantitative tools or progress indicators, and some remain insufficiently represented in the current policy discourse. Based on the set of papers presented in the special issue, we conclude that demand-side mitigation in line with the 1.5 degrees C goal is possible; however, it remains enormously challenging and dependent on both innovative technologies and policies, and behavioral change. Limiting warming to 1.5 degrees C requires, more than ever, a plurality of methods and integrated behavioral and technology approaches to better support policymaking and resulting policy interventions.

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Change in cooling degree days with global mean temperature increasing from 1.5 °C to 2.0 °C

Nicole D. Miranda, Jesus Lizana, Sarah N. Sparrow, Miriam Zachau-Walker, Peter A. G. Watson, David C. H. Wallom, Radhika Khosla, Malcolm McCulloch

Summary: Failing to limit the global mean temperature increase below 1.5 degrees Celsius will result in various negative consequences. A study reveals the countries most affected by warming through mapping annual changes in cooling demand. It is becoming increasingly difficult to keep the global mean temperature rise within the 1.5 degrees Celsius target. Moving from 1.5 to 2.0 degrees Celsius of global warming will significantly impact global cooling demand, with African countries experiencing the highest increase in cooling requirements, while countries like Switzerland, the United Kingdom, and Norway will face the largest relative surges in cooling demand as they are traditionally unprepared for heat.

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