Section 2. Human impacts on Arctic environments
2.1. Airborne delivery versus surface accumulation of microbes, mineral dust and black carbon onto the Greenland Ice Sheet
2.2. Black carbon in snow and water in Iceland, the Faroes and Scotland
2.3. Biodiversity changes and microplastics on Arctic beaches
2.4. Vegetation changes in the Fennoscandian tundra over 60 years
2.5. Plants moving along mountain roads and trails
2.6. Arctic night skies show effects of light pollution on nocturnal orientation