This image, captured by one of the Copernicus Sentinel-2 satellites on 3 February 2025, shows shipping lanes cutting through the icy waters of the Gulf of Bothnia in the Baltic Sea, near Hailuoto, Finland.

Winter navigation in the region is challenging due to extensive sea ice, which can persist for an average of six months each year. Icebreakers play a crucial role in maintaining access to ports, ensuring that maritime transport continues despite the harsh conditions.

Satellite image: Gulf of Bothnia, Finland (s. icy waters)
Gulf of Bothnia. Credit: European Union, Copernicus Sentinel-2 imagery

In the middle of the image, shipping lanes appear as dark, ice-free channels contrasting with the surrounding frozen waters. These routes are kept open by icebreakers, which clear paths for vessels navigating through the gulf.

Copernicus satellites provide continuous monitoring of Arctic and sub-Arctic regions, delivering essential data on sea ice coverage, environmental changes, and shipping conditions. The Copernicus Arctic Hub compiles this information, supporting decision-making and sustainable management of the region by offering insights into ice dynamics, climate trends, and maritime operations.

Featured image credit: European Union, Copernicus Sentinel-2 imagery

Image: words portrait
‘Greatest con job ever’: Trump trashes climate science at UNNews

‘Greatest con job ever’: Trump trashes climate science at UN

United Nations, United States | AFP | Muser NewsDesk He mocked renewables as a "joke," praised "clean, beautiful coal" and declared climate change the "greatest con…
SourceSourceSeptember 24, 2025 Full article
Image: Emperor penguins in seashore
Emperor penguins in focus as Antarctic talks start in JapanNews

Emperor penguins in focus as Antarctic talks start in Japan

Tokyo, Japan | AFP Greater protections for endangered emperor penguins and how to manage growing tourism will top the agenda at talks on Antarctica opening in…
SourceSourceMay 12, 2026 Full article
Image
Wildfire smoke and healthNews

Wildfire smoke and health

With wildfires becoming more frequent and extensive in Canada, it’s important for people to understand the health risks of wildfire smoke. An article in CMAJ (Canadian Medical…
SourceSourceJune 17, 2024 Full article