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As the world faces an escalating planetary crisis, a paper published in Nature offers hope. The paper proposes a bold new way forward; a global framework that measures how well people and nature are thriving together.

The paper, titled "," is the result of an international collaboration led by the United Nations Development Program and researchers, including Oxford University's Professor Yadvinder Malhi and Samira Barzin from the Leverhulme Center for Nature Recovery, Peter Frankopan, Molly Grace, and Oxford Martin School Fellows Erle Ellis, Sandra Diaz, and Hannah Ritchie.

The team calls for the creation of a "Nature Relationship Index" to sit alongside the Human Development Index (HDI). The aim is to track how countries are improving human relationships with the rest of life on Earth, including a thriving and accessible nature, using natural resources responsibly, and protecting ecosystems—turning these into measurable goals for progress.

Their message is simple yet radical: the way we talk about and measure progress must change, because current measures like GDP, and even the HDI, do not account for how we relate to the rest of life on Earth. Without raising the bar for progress to include all life on Earth, nature's decline will continue, with consequences for all of us.

"For decades, the human development approach has inspired global progress by focusing on people's abilities to lead the lives they value and have reason to value: living longer, healthier lives with access to knowledge, and enjoying a decent standard of living," said Pedro Conceição, Director of the UNDP Human Development Report Office, and contributing author.

"However, in the face of today's dangerous planetary change, we must raise our ambitions, and that means envisioning progress and development to include healthy and mutually beneficial relationships with the living world."

At the core of this vision is a bold new idea: the Nature Relationship Index (NRI)—a global metric designed to complement the HDI, and capture the quality of a nation's relationship with nature. It would assess how well countries are caring for ecosystems, ensuring equitable access to nature, and protecting it from harm.

In other words, countries investing in shared spaces for nature and people, clean air and water, and restoring ecosystems could see its NRI rise, rewarding positive action rather than just recording decline.

The NRI is being developed with the aim of debuting in the 2026 Human Development Report, with the long-term goal of regular country-level updates, just like the HDI. The hope? To turn the tide—from reacting to ecological collapse, to actively building a future where both people and the planet can flourish.

"This isn't the usual environmental messaging about limiting the damage or staving off disaster," said Erle Ellis, lead author of the paper and professor at the University of Maryland Baltimore County and Oxford Martin School Fellow at the University of Oxford.

"What we're proposing is a shift from narratives of environmental harm and failure to stories and evidence that our societies have the capabilities to produce better futures for all life on Earth—and that in many ways we already have.

"By expanding human development to include healthy relationships among people and the rest of life on Earth, we hope to motivate whole new levels of collaboration and innovation across the planet."

Rather than leaning solely on fear-driven warnings of environmental doom, the paper urges a shift to storytelling and strategies grounded in human potential—our shared aspirations for clean air, thriving wildlife, green spaces for everyone, and connection. These, the authors argue, are powerful tools for unlocking global action.

Yadvinder Malhi, co-author and Director of the Leverhulme Center for Nature Recovery at the University of Oxford, highlighted the urgency and opportunity behind the initiative, saying, "There is a need for clear-eyed but hopeful and actionable visions of the future. The planetary crisis is profound, but it's also an invitation.

"An invitation to rethink our relationship with Earth, not as relentless consumers of a commodified and exploited nature, but as integral participants in our mutual co-flourishing with the rest of the natural world."

This new framework could mark a crucial turning point for global development. By embedding this aspirational vision into policies and everyday decisions, the authors call on all of us—governments, communities, and individuals—to take real, measurable steps towards making life on this planet better for all of us. Because the future we want depends on what we do today.

A future where people and nature thrive together is possible. The question now is: will we make it happen?