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The transformational prospects of the United Nations' 17 Sustainable Development Goals (SDGs) are doubtless. Nonetheless, finding the appropriate implementation mechanisms to accomplish these goals and their targets and deliver on the promise of Agenda 2030 is proving challenging. Using publicly available documentary evidence from Voluntary National Reviews and Sustainable Development Reports, we analysed the progress of environmental SDG implementation in BRICS (Brazil, Russia, India, China, South Africa) and MINT (Mexico, Indonesia, Nigeria, Turkey) countries. The findings reveal an overall implementation progress level of 64% and 62% in BRICS and MINT, respectively. Relatively, countries in BRICS outperformed their MINT counterparts in five of the six environmental SDGs analysed. Our assessment broadly notes a promising engagement with environmental SDGs in these blocs, albeit with limited progress, and the presence of impressionistic practices in reportage of successes compared with challenges. We highlight the critical environmental goals and areas for practical actions to accomplish Agenda 2030 moving forward. The study specifically draws the attention of policymakers to issues of climate action (SDG13) and affordable and clean energy (SDG7), where immediate actions are needed to ramp up environmental actions. Given the limited time left to accomplish Agenda 2030, the findings of this study provide timely insight into the environmental SDGs that are at risk of failure in these developing countries. The study significantly implicates developing countries' ability to achieve Agenda 2030 and provides practical and actionable policy measures that are urgently needed to address the situation.

Waste management is one of the vital objectives for the EU since it has a substantial effect on the environment. European Commission expects annual waste creation on Earth to increase by 70% by 2050. European Commission also estimates that efficient waste management might boost the EU economy's gross domestic product (GDP) by 0.5% by 2030. Hence, it is essential to conduct research including both efficiency and influencing factors analysis for effective waste management. First, we employ both slack-based measure (SBM) and super-SBM data envelopment analysis approaches to investigate the waste management efficiency of the EU region and distinguish between efficient countries. The countries with small areas such as Luxembourg and Ireland have demonstrated super efficiency. Second, we maintain our empirical research with ordinary least square analysis to explore the determinants of waste management. We also conclude that population density, GDP per capita, and tourism rise the amount of waste generated in the EU region.

This article explores the effect of technological similarity in acquisitions on invention quantity and quality. In doing so, we confirm previous findings in the literature suggesting that technological similarity exhibits an inverted U-shaped relationship with innovative output and a negative relationship with average invention quality. However, we identify the nature of the technology as an important moderating factor for both relationships. We distinguish between two types of technologies, complex and discrete, and suggest that at high levels of technological similarity, invention quantity and average quality increase more in complex technology industries as compared to discrete technology industries. These effects are attributed to innovation cumulativeness and the interdependencies developed between patent rights in complex technology settings. A study of acquisition and patenting activity in two industries over a sixteen-year period provides empirical support to our claims.