Imagine a world where, instead of pointing out everything nations are doing wrong to the living world based on how they create, improve, and sustain a thriving environment, we measure what they are doing right. By focusing on the good, people worldwide might be empowered to learn from success, instead of feeling more powerless in the face of all the messages of environmental harm and damage. For nearly three years, Erle Ellis, professor of geography and environmental systems, has collaborated with a team of researchers across six continents, led by the United Nations Development Program’s Human Development Report Office (UNDP-HDRO) to make that vision a reality by developing the Nature Relationship Index (NRI).
The NRI will be the first standardized global metric that measures the quality of a nation’s relationships with nature, including plants and animals, land, rivers, oceans, mountains, forests, deserts, and grasslands. Progress will be measured in terms of each nation’s contributions to the living world, based on three dimensions: the management of landscapes to enable people and nature to connect and thrive together, the use of nature to sustain human development without harming, diminishing, or degrading it, and financial, legal, and institutional support for environmental protections.
Towards a balanced living world
Nature, the world’s leading multidisciplinary science journal, has published this groundbreaking framework by conservation, environment, and human development experts and practitioners. The NRI is now being developed with the aim of a public release as part of the 2026 Human Development Report, with the goal of updating the NRI for all countries of the world annually.
“By focusing on human agency—people’s ability to hold values and make commitments and choices beyond their own individual well-being,” writes Ellis, the lead author, “the human development approach treats people as agents of change, rather than passive recipients of policy interventions, foregrounding people’s values, aspirations and struggles to achieve a better future.”
UMBC’s College of Arts, Humanities, and Social Sciences has named Ellis the 2025 – 2026 Lipitz Professor. The Roger C. Lipitz and the Lipitz Family Foundation endowed professorship that celebrates and sponsors cutting-edge research and teaching. This honor recognizes Ellis’s international leadership in research that supports the health of human-managed ecosystems at both local and global levels, aiming to guide sustainable and responsible stewardship. Ellis served as the 2021 – 2024 UMBC Presidential Research Professor for his contributions to ecology and geography, including landscape ecology and human-environmental interactions.
Learn more about Ellis’s research within UMBC’s Department of Geography and Environmental Systems.