Environmental sustainability has emerged as one of the defining challenges of the twenty-first century, requiring an urgent balance between economic growth, ecological integrity, and social well-being. This paper critically examines the interconnected dimensions of sustainability development, environmental protection, and ecological restoration, highlighting the structural and operational challenges that hinder the realization of a truly green environment. Sustainable development pathways demand low-carbon transitions, resource efficiency, and circular economy practices, yet their implementation is often constrained by financial, technological, and governance limitations. Environmental protection measures such as regulatory frameworks, conservation programs, and biodiversity safeguarding initiatives show progress but remain insufficient to halt global ecological decline. Restoration, while offering the potential to recover degraded ecosystems and deliver climate and livelihood co-benefits, continues to face challenges related to permanence, monitoring, and integration into long-term planning. The paper identifies cross-cutting obstacles, including financing gaps, weak policy durability, inadequate measurement and verification systems, and limited stakeholder participation, all of which reduce the effectiveness of sustainability strategies. It concludes by proposing a forward-looking agenda that emphasizes integrated development planning, robust governance, inclusive participation, and innovative financing mechanisms to accelerate progress toward environmental sustainability and the realization of a green future.
Kumari et al. (Wed,) studied this question.