RUSSIA-SCIENCE-TECHNOLOGY-RECORDRussia sounded the alarm Tuesday as water levels in Lake Baikal, the world’s largest freshwater lake, dropped to record lows, with environmentalists blaming dry weather and overuse by local industry. The regional emergency ministry in Buryatia region on the lake’s shores announced a state of high alert as villages surrounding the lake were reportedly hit by water shortages. The water level in the lake is just eight centimetres (3 inches) above the minimum 456 metres (1496 feet) above sea level allowed by the Russian government. The lake has been at its lowest levels in 60 years, according to Buryatia natural resources minister Yury Safyanov. Environmentalists, fishermen and industry that relies on hydroelectric power stations fed by Baikal haggle over the lake year after year. The Irkutsk hydroelectric power station on the Angara River flowing from Lake Baikal serves the large city of Irkutsk with electricity and water. It also feeds an enormous aluminium plant in the region with electricity. There are several other hydroelectric power plants on the Angara. More