Earth Day 2026 comes at a peculiar moment. Seven of nine planetary boundaries have now been crossed, with the latest, ocean acidification, confirmed in 2025. And yet, just three months ago, the High Seas Treaty entered into force: a legally binding global framework for ocean protection two decades in the making.

Two signals arriving almost simultaneously: one of accelerating damage, one of what becomes possible when science connects with policy.

That tension between the scale of the challenge and the demonstrated capacity for collective action runs through a new policy report released today.

The Frontiers Planet Prize is a leading scientific competition with the mission to award breakthrough research that advances our understanding of the Earth system. It also puts forward concrete solutions that drive real-world transformation to keep us safe within our planet’s boundaries.

These 25 scientists were nominated by a cohort of over 600 universities across 62 countries, supported by their national academy and selected by an independent Jury of 100 leading planetary boundaries experts, chaired by Professor Johan Rockström.

"The 25 national winners of the 2026 Frontiers Planet Prize exemplify the diversity of research that is so urgently needed. They share a defining quality: excellence in advancing our understanding of the Earth system and unlocking new frontiers in the solution space," said Rockström, who is director of the Potsdam Institute for Climate Impact Research, Frontiers Planet Prize Chair of Jury of 100.

The report asks a key question: what does the latest breakthrough science tell us about how to tackle one of the biggest challenges humanity faces this century, assuring healthy lives on a healthy planet?

Four key insights emerge across the research of the National Champions:

1. The risks are worse than we think

One of the report's most striking findings is that current policy frameworks are systematically underestimating planetary health risks. Methane emissions from landfills are significantly higher than national inventories suggest, with direct consequences for the climate targets built on those numbers.

Climate sensitivity models may be too conservative. Hydrological systems are destabilizing faster than modelling has anticipated. And ocean acidification, now a crossed planetary boundary, remains insufficiently integrated into global governance frameworks.

The implication is about recalibration. Governance built on old assumptions produces policies poorly matched to the actual scale of the challenge. More accurate data, deeper monitoring and more sophisticated models are preconditions for credible environmental policy.

2. Tools for targeted action already exist

A second consistent theme is the emergence of spatial and analytical tools that enable far more precise and cost-effective interventions. Marine megafauna tracking now provides an empirical basis for designing effective ocean-protected areas. Climate-resilient landscape mapping is improving conservation prioritization across biodiversity hotspots.

Emissions hotspot analysis underpins climate-optimized flight routing that could meaningfully reduce aviation's climate impact at low operational cost. Advances in carbon capture chemistry are clarifying where these technologies can genuinely deliver value.

The pattern is consistent: more sophisticated analysis allows policymakers and industry leaders to do more with less, targeting action where it will have the greatest impact and moving resources away from approaches the evidence no longer supports.

3. Institutional reform remains the biggest lever

Perhaps the report's most politically significant finding is structural. Many technically viable solutions already exist but remain constrained by misaligned incentives, fragmented governance, market dynamics and institutional inertia.

Trade policies shape biomass uses in ways that undermine biodiversity goals, while corporate practices and demand patterns often reinforce these outcomes. Gross domestic product-based metrics obscure the environmental and social costs of growth.

Climate-optimized aviation is proven in concept but slowed by regulatory frameworks and industry adoption challenges, not only engineering. Industrial policy either accelerates or forecloses decarbonization depending on how it is designed.

The message is precise rather than pessimistic: a key bottleneck is governance. Realigning economic incentives, regulatory structures, and institutional frameworks with sustainability goals would unlock solutions that are already within reach, without waiting for further technological breakthroughs.

4. Inclusion is a condition for effectiveness, not an afterthought

The fourth cross-cutting insight is often underweighted in mainstream environmental policy debates.

Research on lithium mining shows that integrating Indigenous knowledge into impact assessments reveals environmental and social costs that standard global indicators consistently miss, with direct consequences for the equity and legitimacy of the energy transition.

Water governance and biodiversity studies demonstrate that locally adapted strategies, grounded in community knowledge and livelihoods, deliver more durable results than top-down approaches. The evidence suggests that a just transition goes beyond being an ethical choice; it is also the most effective.

"We are no longer short of warnings; we are short of solutions and time,” said Professor Jean-Claude Burgelman, director of the Frontiers Planet Prize. “The science that exists to address the planetary crisis does not reach the right decision-makers quickly and at scale."

This Earth Day, four years after the launch of the Frontiers Planet Prize in 2022, the work of 25 scientists from around the world points to a consistent conclusion: solutions are available.

The question is how effectively this science is translated into decision-making across institutions, markets and society. This year’s theme, “Our Power, Our Planet,” reflects that shared challenge.

The full list of the 2026 National Champions and their research is available here. Submissions for the 5th edition of the Frontiers Planet Prize are now open.