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Efforts to avoid the acceleration of global warming have tended to focus on countries with high CO 2 emissions levels and large populations, with a high level of economic development or industrialization. African countries, which often do not conform to such criteria, are more vulnerable to climate change due to their dependence on climate-sensitive industries and their limited infrastructure and technological capacity to cope with its impacts. The long-term economic growth rates projected for Africa's rapid development period will, further, make Africa a potential emission hotspot in the near future. Here, for the first time, we built an energy-related emissions inventory for 19 African countries for 2010–2019, which addresses emissions from 47 economic sectors and 5 energy types, making it the most comprehensive of its kind. The degree of decoupling of economy and emissions, and drivers of CO 2 emission changes are also examined. Most African countries experienced rapid growth in CO 2 emissions, with an average annual growth rate of 5.5% for fossil fuel-related CO 2 emissions and 6.0% for unsustainable biomass-related CO 2 emissions. Only two countries, South Africa and Tanzania, have achieved a strong decoupling of economic growth from CO 2 emissions. Economic and population are the most important drivers of emissions, while energy intensity has been identified as a key factor in mitigating CO 2 emissions, especially for those countries that have reached strong or weak decoupling. The findings from this study provide essential insights that could guide the development of low-carbon policies and strategies in Africa. • We provide energy-related emission inventories for 19 African countries from 2010 to 2019. • African countries experienced rapid growth in CO2 emissions. • Two countries achieved strong decoupling of GDP from CO2 emissions. • Economic and population growth are the most important drivers of emissions. [ABSTRACT FROM AUTHOR]

Renewable energy and institutions have emerged among other variables touted to address climate change problems. However, empirical results have been conflicting. With a relatively poorer state of institutional quality and a lower level of renewable energy development amidst rising carbon dioxide (CO 2) emissions in Africa, the study assesses: a) the direct effect of renewable energy and institutional quality on CO 2 emissions in Africa; and b) the moderation role of institutional quality on the effect of renewable energy on CO 2 emissions in Africa. The study relies on panel data covering 2002–2021 for 32 African countries. The Fully-Modified OLS regression method is employed to analyze the data based on the environmental Kuznets curve (EKC) hypothesis and Stochastic Impacts by Regression on Population, Affluence, & Technology (STIRPAT) model. The results show that urbanization and trade openness increase CO 2 emissions. Although income has a positive effect on carbon emissions, the square term has a negative confirming the EKC hypothesis. Renewable energy also reduces CO 2 emissions. Institutional quality variables of control of corruption, rule of law, regulatory quality, political stability and absence of violence, voice and accountability, government effectiveness and institutional index created from the above indicators reduce CO 2 emissions. In addition, except government effectiveness, the remaining indicators of institutional quality negatively moderate the effect of renewable energy on CO 2 emissions. The results among other things imply that intensifying the development and usage of renewable energy would help address the rising carbon dioxide emissions trend in Africa. Also, strengthening institutions promises to reduce CO 2 emissions. • Determinants of environmental degradation is estimated. • Renewable energy consumption reduces pollution. • Institutions reduce carbon emissions. • Institutions reinforce the effect of renewable energy. [ABSTRACT FROM AUTHOR]

Despite renewed efforts to combat climate change, it remains uncertain how economies will achieve emission reduction by 2050. Among different decarbonisation strategies, knowledge about the potential role and contributions of social movements to curbing carbon emissions has been limited. This study aims to shed light on the diverse contributions of social movements to staying within the global carbon budget, as well as on the specific outcomes and strategies employed in protests against hydrocarbon activities. For this purpose, we conduct a systematic literature review of 57 empirical cases of social movements contesting fossil fuel projects in 29 countries. Based on an exploratory approach, we identify a series of different movement strategies and a range of qualitative contributions that support staying within the carbon budget. These include raising awareness of risks and strategies, enhancing corporate responsibility, being informed about policy changes, laws and regulations, fostering just energy transitions, energy democracy, divestment, alternative market solutions, and forcing the postponement or cancellation of targeted hydrocarbon activities. While the institutional means are widely used and seem to support policy change and regulation, these strategies are not used to deliver awareness or postponement outcomes. Similarly, while movements tend to rely on civil disobedience to stop hydrocarbon projects in the short term, they rely on multiple strategies to cancel them in the longer term. Our study also indicates significant knowledge gaps in the literature, particularly, cases in Africa and Central Asia, women's participation in these movements, in addition to more quantitative assessments of the actual emissions reduced by social movements. [ABSTRACT FROM AUTHOR]

• Infrastructure is essential to meet basic needs but require carbon intensive materials. • I assess the material/carbon impact of reaching in 2030 high access to 5 basic infrastructure. • Global material demand is the lowest for water and the highest for transportation. • Providing high sanitation and transportation access conflicts with low-carbon pathways. Access to infrastructure services is essential to meet human basic needs. However, infrastructure construction requires carbon-intensive materials, first and foremost cement and steel. In this paper, I assess if high level of access to 5 basic infrastructure services – electricity, water, shelter, sanitation and transportation – can be provided at the global scale in 2030 and until 2050 without compromising climate mitigation targets. Following historical patterns, I first quantify the cement and steel requirements in each country associated with providing high access levels. I then estimate the production-based carbon dioxide emissions related to manufacturing the cement and steel needs. To do so, I model influencing factors such as national production technologies mix, trade structure and mitigation actions in the cement and steel industries. Global cumulative material demand (central values) to reach high access level in 2030 is the lowest for water with 8 Gt of cement and 1 Gt of steel and the highest for transportation with 50 Gt of cement and 6 Gt of steel. Most of the cement and steel demand is concentrated in Asia, Middle-East and Africa. I show for all infrastructure services that achieving high access level in 2030 and until 2050 induces cumulative carbon dioxide emissions well below the carbon budgets related to Paris Agreement targets, with central values under baseline scenario from 10 to 53 Gt CO 2 depending on the infrastructure service. However, I find providing high sanitation and transportation access in Middle-East and Africa conflicts with existing low-carbon pathways. This calls for on one side implementing material efficiency and substitution towards less carbon-intensive construction materials, and on the other side strengthening mitigation efforts in wealthiest countries to leave enough 'carbon space' for basic infrastructure development in emerging countries. [ABSTRACT FROM AUTHOR]