Global Decline of Pollinators: Drivers, Consequences and Mitigation Strategies

Pollinators represent the unseen foundation of both global food production and natural ecosystems, playing a pivotal role in sustaining agricultural yields, enhancing crop quality, and maintaining biodiversity. Nearly three-quarters of the world’s food crops rely, at least in part, on animal-mediated pollination provided by diverse species such as bees, butterflies, flies, beetles, birds, and bats. However, mounting evidence over the past two decades reveals widespread and persistent declines in pollinator populations, affecting both wild species and managed systems. These declines are driven by a complex interplay of factors, including habitat degradation, intensive pesticide application, climate change, invasive alien species, emerging pathogens, and the compounded pressures resulting from their interactions. The consequences of pollinator loss extend well beyond ecological disruption. They threaten global food security, reduce nutritional diversity, and undermine economic stability, with cascading impacts on human health and livelihoods. This review synthesizes current understanding of the scale, drivers, and repercussions of pollinator decline at global and regional levels. It further examines a range of mitigation strategies, including habitat restoration, agroecological approaches, integrated pest management, policy interventions, incentive frameworks, and emerging technological innovations. Despite significant progress in pollination research, critical knowledge gaps persist, especially in tropical and developing regions where dependence on pollination services is high but empirical data remain scarce. Bridging these gaps is essential for designing locally relevant, evidence-based solutions. Ultimately, safeguarding pollinators is not merely an environmental concern but a global imperative for securing agricultural resilience, conserving biodiversity, and ensuring the sustainability of human societies.