This image, captured by the Envisat satellite, depicts an oil spill along the western coast of Taean, South Korea. On December 10, 2007, the Hebei Spirit oil tanker collided with a barge, affecting the ocean and coastline, and impacting the livelihoods of fishermen and residents in the region. Cleanup efforts mobilized tens of thousands of volunteers and lasted several years.

• Image 1: Product: ASA_WSM_1P, Satellite: Envisat, Instrument: Advanced Synthetic Aperture Radar (ASAR), Instrument features: Wide Swath Mode, Image Mode Precision (resolution: 150 m), Acquisition Date: 11 December 2007, Orbit number: 30217