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Taking stock of national climate policies to evaluate implementation of the Paris Agreement.

ABSTRACT: Many countries have implemented national climate policies to accomplish pledged Nationally Determined Contributions and to contribute to the temperature objectives of the Paris Agreement on climate change. In 2023, the global stocktake will assess the combined effort of countries. Here, based on a public policy database and a multi-model scenario analysis, we show that implementation of current policies leaves a median emission gap of 22.4 to 28.2 GtCO₂eq by 2030 with the optimal pathways to implement the well below 2?°C and 1.5?°C Paris goals. If Nationally Determined Contributions would be fully implemented, this gap would be reduced by a third. Interestingly, the countries evaluated were found to not achieve their pledged contributions with implemented policies (implementation gap), or to have an ambition gap with optimal pathways towards well below 2 °C. This shows that all countries would need to accelerate the implementation of policies for renewable technologies, while efficiency improvements are especially important in emerging countries and fossil-fuel-dependent countries.

SUBMITTER: Roelfsema M

PROVIDER: S-EPMC7190619 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Taking stock of national climate policies to evaluate implementation of the Paris Agreement.

Roelfsema Mark M van Soest Heleen L HL Harmsen Mathijs M van Vuuren Detlef P DP Bertram Christoph C den Elzen Michel M Höhne Niklas N Iacobuta Gabriela G Krey Volker V Kriegler Elmar E Luderer Gunnar G Riahi Keywan K Ueckerdt Falko F Després Jacques J Drouet Laurent L Emmerling Johannes J Frank Stefan S Fricko Oliver O Gidden Matthew M Humpenöder Florian F Huppmann Daniel D Fujimori Shinichiro S Fragkiadakis Kostas K Gi Keii K Keramidas Kimon K Köberle Alexandre C AC Aleluia Reis Lara L Rochedo Pedro P Schaeffer Roberto R Oshiro Ken K Vrontisi Zoi Z Chen Wenying W Iyer Gokul C GC Edmonds Jae J Kannavou Maria M Jiang Kejun K Mathur Ritu R Safonov George G Vishwanathan Saritha Sudharmma SS

Nature communications 20200429 1

Many countries have implemented national climate policies to accomplish pledged Nationally Determined Contributions and to contribute to the temperature objectives of the Paris Agreement on climate change. In 2023, the global stocktake will assess the combined effort of countries. Here, based on a public policy database and a multi-model scenario analysis, we show that implementation of current policies leaves a median emission gap of 22.4 to 28.2 GtCO<sub>2</sub>eq by 2030 with the optimal path ...[more]

PMID: 32350258

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Project description:BACKGROUND:Ensuring public health is crucial in any policy debate on climate change. Paris Agreement on climate change is a global contract, through which countries have committed themselves to a public health treaty. The agreement has laid the foundation for mitigation and adaptation. This study was conducted to provide an evidence-based framework for policy-making in the health system of Iran in order to reduce the adverse effects of climate change on public health and to increase the adaptation of the health system as a result. METHODS:This is a qualitative study. We first used Delphi method to extract the components of Paris Agreement on climate change that were related to the functions and policymaking of health system in Iran. Twenty-three experts in health and climate change were identified purposefully and through snowball sampling as participants in Delphi. Data collection instrument was a structured questionnaire. We used SPSS software version 25 for data analysis based on the descriptive indices including the mean, the percentage of consensus above 75%, and the Kendall coordination coefficient. RESULTS:Seventy-nine components classified within nine categories were extracted. The most important examples of the implementation of Paris Agreement on climate change in the health system of Iran were: participation in the formulation of strategies for mitigation and adaptation, identifying vulnerable groups, assessing vulnerability, increasing the capacity of health services delivery during extreme events, using early warning systems, using new technologies to increase the adaptation, evaluation of interventions, financial support, increasing the number of researches, increasing the knowledge and skills of staff, and finally public awareness. CONCLUSIONS:Evidence-based policy-making is pivotal to develop effective programs to control the health effects of climate change. This research provided policy translation and customization of micro and macro provisions of Paris Agreement on climate change, in line with the political context of health system in Iran. Our finding will pave the ground, we envisage, for further steps towards capacity building and enhancement of resiliency of the health system, adaptation interventions, and evaluation, identification of barriers and facilitators for adaptation and decreasing the adverse health effects caused by the climate change, in Iran and perhaps beyond.

Project description:BackgroundInstituted under the Paris Agreement, nationally determined contributions (NDCs) outline countries' plans for mitigating and adapting to climate change. They are the primary policy instrument for protecting people's health in the face of rising global temperatures. However, evidence on engagement with health in the NDCs is scarce. In this study, we aimed to examine how public health is incorporated in the NDCs, and how different patterns of engagement might be related to broader inequalities and tensions in global climate politics.MethodsWe analysed the NDCs in the UN Framework Convention on Climate Change registry submitted by 185 countries. Using content analysis and natural language processing (NLP) methods, we developed measures of health engagement. Multivariate regression analyses examined whether country-level factors (eg, population size, gross domestic product [GDP], and climate-related exposures) were associated with greater health engagement. Using NLP methods, we compared health engagement with other climate-related challenges (ie, economy, energy, and agriculture) and examined broader differences in the keyword terms used in countries with high and low health engagement in their NDCs.FindingsCountries that did not mention health in their NDCs were clustered in high-income countries, whereas greater health engagement was concentrated in low-income and middle-income countries. Having a low GDP per capita and being a small island developing state were associated with higher levels of health engagement. In addition, higher levels of population exposure to temperature change and ambient air pollution were associated with more health coverage included in a country's NDC. Variation in health engagement was greater than for other climate-related issues and reflected wider differences in countries' approaches to the NDCs.InterpretationA focus on health in the NDCs follows broader patterns of global inequalities. Poorer and climate-vulnerable countries that contribute least to climate change are more likely to engage with health in their NDCs, while richer countries focus on non-health sectors in their NDCs, such as energy and the economy.FundingThis work was in part funded through an unrestricted grant from the Wellcome Trust and supported by The Economic and Social Research Council.

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Dataset Information

Taking stock of national climate policies to evaluate implementation of the Paris Agreement.

Publications

Taking stock of national climate policies to evaluate implementation of the Paris Agreement.

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