Horizon Europe project · 2026–2030

Joint operations for monitoring anthropogenic and natural greenhouse gas emissions and sinks

JOHN is a Horizon Europe funded project (2026–2030) that will assess and improve the global greenhouse gas observing system, explore emerging technologies, and develop priorities for future investment and monitoring.

A measurement mast above pine forest at an ICOS station

What JOHN does


01

Analysis of the current observing system

A global systems analysis covering its status, gaps, resilience and sustainability, with a methodology for regular auditing and reporting.


02

Better tools and technologies for observations

Emerging technologies, digital solutions and improvements to make observations and data systems more effective, accessible, resilient and cost-efficient.


03

Clear priorities and action plans for the future

Roadmaps and investment actions, co-designed with users, to guide future development and funding of the global greenhouse gas observing system.

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