24 hours, 775 species
The Töölönlahti bay and the surrounding city park, at the very centre of Helsinki, were the locations for GEO magazine’s first Biodiversity Action Day in Finland on 25–26 June.
Volcanic eruption and water
How does the eruption of subglacial volcano, such as recently active Eyjafjallaföllkull, affect water resources? Ilkka Pollari from Kemira and Arto Luttinen from the University of Helsinki explain.
Volcanic ash and climate
Sulphur particles from volcanic eruptions may affect the cloud cover, and cool down the climate.