# ESA's Simonetta Cheli on the Shifting Political Landscape of Earth Observation

ESA's Earth observation director discusses data, space debris, and evolving international climate cooperation.

- **Source:** [Latest from Live Science](https://www.livescience.com/feeds.xml)
- **Published:** 2026-10-20
- **Topic:** [Business](https://brifing.si/c/business)
- **Original article:** <https://www.livescience.com/planet-earth/we-used-to-go-to-the-climate-conferences-together-we-are-not-anymore-esa-official-simonetta-cheli-tells-us-how-the-political-landscape-for-earth-observation-is-changing>
- **On Brifing:** https://brifing.si/s/2561d4cc-3c6a-4747-8397-5a159fc03a5e

## Evolution of Earth Observation

Simonetta Cheli, director of Earth observation at ESA, highlights the agency's growth since 1988. Initially dependent on international partners, ESA now manages over 20 active missions from its ESRIN facility in Italy. The agency is currently planning more than 40 additional missions to monitor critical environmental variables like oceanography and vegetation health.

## Shifting Political Dynamics

The landscape of international climate cooperation is undergoing significant changes. Cheli notes that while technical collaboration remains strong, the political unity previously seen at climate conferences has diminished. Despite these challenges, ESA continues to maintain essential working-level relationships with international partners, including NASA, to ensure global data sharing for climate stability.

## The IRIDE Satellite Constellation

ESA recently expanded its capabilities with the IRIDE constellation, an Italian-funded network. With 39 satellites already launched out of a planned 68, the system provides vital optical and radar data. This infrastructure supports diverse applications, ranging from civil protection and coastal erosion monitoring to essential environmental stress analysis across the European region.

## Managing Space Traffic Risks

The rapid proliferation of private satellite constellations has increased the frequency of anti-collision maneuvers for scientific spacecraft. Cheli reports that ESA must coordinate with the European Southern Observatory to move satellites more often than in previous years. This trend necessitates a new, clear legal framework to regulate all actors in orbit.

## Sustainability in Space Operations

ESA is prioritizing sustainability by implementing strict space debris policies for its missions. This includes ensuring satellites have sufficient propellant for controlled re-entry after their operational lifetime ends. Additionally, teams at the French Guiana launch site are actively working to minimize the environmental impact of rocket launches on the surrounding local ecosystem.

## Processing Massive Data Volumes

The Copernicus program generates approximately 500 terabytes of data daily, requiring advanced computational power for effective analysis. To handle this, ESA recently operationalized the Space HPC supercomputer at ESRIN. This technology allows researchers to process vast archives of heritage data from international partners, ensuring long-term preservation and faster scientific insights.

## Visualizing Climate Extremes

Thermal imagery from satellites like Sentinel-3B has become a powerful tool for raising public awareness about climate change. Cheli highlights a recent image showing extreme land and sea surface temperature spikes across Southern Europe. These visual data points provide objective evidence of heatwaves, helping scientists monitor extreme weather events with greater precision.

## Global Data Interdependence

Environmental monitoring requires a unified global approach because ecological impacts are not confined by national borders. Cheli emphasizes that events in regions like Greenland affect the entire planet, making international data sharing a fundamental necessity. ESA’s DNA is built on this cooperation, involving 23 member countries and various commercial and international partners.

## The Role of Private Actors

The rise of private space entities like Starlink changes the operational environment for institutional agencies. While technical coordination currently functions well, Cheli stresses that future stability depends on universal adherence to shared rules. Engaging private actors in a formal, binding legal framework is now a daily discussion topic for ESA leadership.

## Future Strategic Outlook

Earth observation remains a critical pillar for planetary preservation, providing the objective information needed to address environmental degradation. By combining high-performance computing with robust international partnerships, ESA aims to maintain its role as a global leader. The focus remains on turning complex satellite data into actionable insights for a sustainable future.

## Sources covering this story

- https://www.livescience.com/planet-earth/we-used-to-go-to-the-climate-conferences-together-we-are-not-anymore-esa-official-simonetta-cheli-tells-us-how-the-political-landscape-for-earth-observation-is-changing — 

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_Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._
