In an era marked by escalating global challenges, the security of nations is increasingly jeopardized not solely by conventional threats but by the insidious disruptions inflicted upon natural ecosystems. Emerging research from Penn State University, led by Professor Bradley J. Cardinale, delves deeply into how these ecological disturbances pose far-reaching risks to national security, affecting everything from food and water supplies to public health and social stability. This paradigm shift urges a reconsideration of security frameworks to incorporate the protection and management of nature’s vital infrastructure.
Ecosystems have long been recognized for their provisioning of essential resources—food, freshwater, timber—and their regulation of climate and disease vectors, along with cultural and recreational benefits. However, the intricate relationships between nature’s health and the security apparatus of entire nations have only recently begun to receive systematic attention. The study, co-authored by Cardinale alongside J. Emmett Duffy and Rod Schoonover, rigorously synthesizes data from twenty-seven diverse case studies to illustrate how ecological degradation exacerbates vulnerabilities that can escalate to social unrest and geopolitical conflict.
These ecological disruptions are defined as rapid and profound alterations in natural or semi-natural environments, fundamentally disrupting ecosystem structure, function, and biodiversity. Human-induced drivers such as habitat destruction, overexploitation of resources, invasive species introduction, outbreaks of pests and diseases, and widespread biodiversity loss serve as principal catalysts. Such disruptions do not merely imperil environmental health but propagate cascading effects that undermine economic stability, food and water security, and societal cohesion—dimensions critical to national resilience.
The Cod Wars between Iceland and Britain serve as a poignant historical exemplar: overharvesting of cod stocks led to transgression of international maritime boundaries, provoking military confrontations. Similarly, deforestation in parts of South America exacerbated drought conditions, precipitating water scarcity and civil unrest. In Africa, invasive species have decimated staple crops, driving famines that catalyzed mass migrations and heightened border tensions. Moreover, ecological mismanagement underpinning zoonotic disease emergence has precipitated global pandemics, inducing civil disorder and undermining public trust in governance.
Protection against such multifaceted ecological threats necessitates a paradigm shift from isolated conservation efforts to integrated national strategies robustly embracing natural infrastructure as indispensable to security. Natural infrastructure—comprising ecosystems and biological communities—is vital for sustaining food production, regulating water cycles, mitigating natural disasters, and buffering infectious disease transmission. Yet, unlike physical infrastructure, its systemic importance remains insufficiently acknowledged within national security frameworks, complicating comprehensive risk mitigation.
The research advocates treating natural infrastructure on par with established physical assets such as energy grids, transportation networks, and communication systems. Governments must prioritize safeguarding and investing in ecosystem health and biodiversity maintenance, integrating ecological intelligence with security policy. Paradoxically, while some nations are embracing this awareness, others are eroding environmental regulatory institutions and scientific expertise crucial to monitoring ecological health, thereby weakening their capacity to anticipate and respond to security risks borne from nature’s destabilization.
This diminution of institutional capacity to safeguard natural assets risks fueling grievances arising from unmet fundamental needs, thereby fracturing societal trust and precipitating instability both within states and across borders. Hence, environmental policy and national security cannot remain siloed domains; a cross-sectoral dialogue and alliance are imperative. Ecologists and biologists must engage with security professionals and policymakers to map the nexus where ecosystem integrity directly influences geopolitical stability and human wellbeing.
Looking forward, Cardinale and his colleagues are expanding their repository of case studies to encompass a broader spectrum of ecological impacts on security. This comprehensive data collation will underpin quantitative analyses to discern which ecosystem characteristics most critically influence national security metrics. By quantitatively benchmarking nature’s role against other security drivers, policymakers can better allocate resources and design resilient frameworks rooted in scientific evidence.
Equally vital is the formation of a collaborative community bridging disparate disciplines—biologists, ecologists, security analysts, and governmental practitioners—to foster knowledge exchange and cooperative strategy development. This interdisciplinary consortium is poised to generate novel insights and practical solutions that holistically integrate ecosystem conservation into national security planning, ultimately fortifying nations against a spectrum of environmental and anthropogenic threats.
The implications of this research resonate across global governance structures. Protecting natural infrastructure emerges not only as an environmental imperative but as a strategic pillar for safeguarding human life and societal order. Tackling ecological disruptions requires coordinated international cooperation, robust scientific capabilities, and a shared commitment to preserving the biosphere’s capacity to sustain civilizations amid accelerating environmental changes.
As the world confronts complex interdependencies among climate, biodiversity, and security, this pioneering work signals a clarion call. National security must evolve to acknowledge and incorporate the foundational role of ecosystems, embracing nature not as a peripheral concern but as a central axis of resilience in an uncertain future. The integration of ecological stewardship into defense and policy arenas represents a transformative frontier essential to securing peace and prosperity in the coming decades.
Subject of Research: The intersection of ecosystems, ecological disruptions, and national security
Article Title: Nature’s role in national security
News Publication Date: June 1, 2026
Web References: http://dx.doi.org/10.1016/j.nbsj.2026.100330
Keywords: ecological disruptions, national security, ecosystem services, biodiversity loss, natural infrastructure, food security, water scarcity, health security, environmental crime, climate change, conservation policy, interdisciplinary collaboration
