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Observing the Earth with Polarisation – Aerosol Events Captured by 3MI

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Introduction

The 3MI (Multi-viewing, Multi-channel, Multi-polarisation Imager) instrument was launched on 12^th August 2025 onboard the EPS-SG/A satellite. Since then, it has been continuously observing the Earth with its unique capability to measure polarised light reflected by the Earth-Atmosphere system.

Behind the data: tracking Iceberg A23a with Copernicus Sentinel-3 data

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Copernicus Sentinel-3 satellite data enabled tracking of Antarctic Iceberg A23a.

Image of the week: Sea level anomaly 2024

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This week’s image shows sea level anomalies in 2024.

Metop-SGA1’s first instrument becomes operational

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The radio occultation sounder on board Metop-SGA1 officially entered operational service.

Image of the week: Marine algae blooms off the UK coast

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This week’s image shows patches of phytoplankton off the southwest coast of the UK and southern Ireland and sediment plumes in the Bristol Channel.

Research fellowships - presentations and reports 2026

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2026 presentations and reports

Europe in 2025: extremes from the Arctic Circle to the Mediterranean

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Europe in 2025: Heat extremes, record-breaking fires, melting ice and warm seas.

CSPP Users’ Group Meeting in Darmstadt, Germany

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Community Satellite Processing Package Users’ Group Meeting.

Third GEO-Ring Workshop

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The workshop will review the progress made by the GEO-Ring project and gather feedback from data users

Image of the week: How Sunny Was Europe in 2025?

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This week’s image shows how sunshine levels across Europe in 2025.