Sea ice cover around Svalbard in June 2026, Norway

Show Your Stripes Day, celebrated every year on 21 June, is an initiative to raise awareness of climate change and the need for urgent action. “Climate stripes” are a simple but impactful visual rendering of global warming. Each vertical stripe represents one year’s average temperature at a given location.

Lake Siljan lies in Dalarna, a region in central Sweden which is widely regarded as the country's strongest bastion of traditional Midsummer celebrations, one of the country’s most important seasonal celebrations.

Antarctic sea ice plays an important role in the polar climate system, influencing not only Southern Ocean ecosystems but also global ocean circulation. For this reason, sea ice conditions are closely monitored to better understand their impact.

On 14 June 2026, a wildfire was reported close to the Kangerluarsuk Ungalleq fjord, north-east of Sisimiut, Greenland’s second-largest city. The fire broke out in a largely ice-covered landscape of rocky terrain and sparse vegetation.

World Day to Combat Desertification and Drought, observed on 17 June, highlights the importance of monitoring heat- and water-related stress on land, ecosystems, and societies.