Is increased tourism, or a normal natural cycle, to blame for the rapid growth of spirogyra to 50% of the coastline?
Trackers mark footprints with GPS technology as 2,000 people scour the forests in first count of rare big cat in 10 years.
Experts say Kuzya, Borya and Ilona have adapted to life in the wild and satellite data shows they are happily roaming about their new habitats.
Economic crisis to blame for delay in plan to breathe new environmentally-friendly life into former Lake Baikal polluter.
Renowned scientist says temperatures could 'rise twice faster' in Yakutia than the rest of the world.
Fresh water supply crisis looms in parts of Siberia as critics accuse hydroelectric firm of 'excessive drainage' from lake.