Background Qatar’s per capita consumption of both energy and water is among the highest in the world. Documentation of methods to reduce energy and water use and its impact on the environment is crucial. A circular economy (CE) ensures that economic growth must not necessarily lead to more resource consumption. Materials and methods This study aims to discuss the CE approach with a focus on understanding the interdependencies between energy and water and their impact on the environment. The study explores the energy-water-environment nexus and how Qatar can leverage this to transition to a CE. The policy landscape and strategies related to energy and water use sectors are presented, addressing efficiencies and substitutes from a circular economic viewpoint. Results The findings show that electricity and mobility sectors(energy perspective of the CE) and agriculture and water supply system (water perspective of the CE) of the Qatari economy provide an opportunity for regeneration, virtualising, exchanging, optimising, sharing and closing loops to achieve CE growth. Conclusions The nexus between the mobility, electricity, agriculture and water supply system needs consideration for optimal policy outcome for the CE in Qatar. The study recommends a need to embark on public awareness on moving away from linear economic to the circular economic paradigm and developing a comprehensive policy on Qatar’s circular economic approach that consolidates the Qatar National Vision 2030 and the National Development Strategy 2018–2022 to provide policy clarity and communication towards CE.

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Achieving net-zero emissions by 2050 will require tackling both energy-related and non-energy-related GHG emissions, which can be achieved through the transition to a circular economy (CE). The focus of climate change crisis reversal has been on the energy-related continuum over the years through promoting renewable energy uptake and efficiency in energy use. Clean energy transition and efficiency gains in energy use alone will not be sufficient to achieve net-zero emissions in 2050 without paying attention to non-energy-related CO2 emissions. This study systematically reviews the CE literature across different themes, sectors, approaches, and tools to identify accelerators in transitioning to a CE. The study aims to understand and explore how technology, finance, ecosystem, and behavioral studies in the CE paradigm can be integrated as a decision-making tool for CE transition. The material analysis was carried out by identifying the main characteristics of the literature on CE implementation in the agriculture, industry, energy, water, and tourism sectors. Results of the literature survey are synthesized to engender clarity in the literature and identify research gaps to inform future research. Findings show that many studies focused on technology as an accelerator for CE transition, and more studies are needed regarding the CE ecosystem, financing, and behavioral aspects. Also, results show that CE principles are applied at the micro-, meso-, and macro- (national, regional, and global) levels across sectors with the dominance of the industrial sector. The agriculture, water, and energy sectors are at the initial stages of implementation. Additionally, the use of carbon capture and utilization or storage, conceptualized as a circular carbon economy, needs attention in tackling CE implementation in the energy sector, especially in hydrocarbon-endowed economies. The major implication of these findings is that for CE to contribute to accelerated net-zero emission by 2050, coordinated policies should be promoted to influence the amount of financing available to innovative circular businesses and technologies within an ecosystem that engenders behavioral change towards circularity.

Purpose This paper aims to explore how Sharīʿah-compliant instruments can be used to protect investments and attract investors to Islamic venture capital (IVC). Equity investments in Islamic finance are trailing behind their potential value. This is partly due to the limited instruments available to protect investors, as most of the tools used in conventional venture capital (VC) are deemed Sharīʿah non-compliant. Design/methodology/approach The research amends and uses Wright Robbie’s (1998) VC structure and how it can be used to finance small and medium-sized enterprises (SMEs). The study uses secondary data reported in the literature and the expertise of the Sharīʿah scholarship. Findings There are Sharīʿah-compliant instruments available for IVC that can be used to protect investments and incentivize potential investors to promote investments in SMEs. At the various stages of the IVC process, preference shares, perpetual mudharabah, diminishing musharakah, musharakah with murabahah, musharakah with qard, negligence clauses, liquidation preference, warrants and supermajority clauses can all be used with appropriate conditions to protect investors and offer incentives for them to invest in IVC. Practical implications The research provides a method for screening and evaluating potential deals for SMEs using an amended VC called an IVC scheme with a focus on Sharīʿah-compliant investment protection instruments. The method can promote SMEs and entrepreneurship and financial inclusion for Sharīʿah-compliant investors. Originality/value This study contributes new ideas to how IVC can be structured, taking into consideration Sharīʿah constraints. The paper addresses investors’ protection and incentives to attract Sharīʿah-compliant investors, which have been lacking in the literature.

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