Baikal Blues. Is Russia’s greatest national treasure under threat?

Find out more about lake Baikal James Brown returns to Russia’s Lake Baikal, the world’s oldest and deepest lake, 7 years after his last visit to investigate reports that the region’s ecology had changed for the worse. The lake, known for the clarity of its freshwater, is home to hundreds of unique species of plants and animals. The beauty and rich biodiversity attracts many visitors. While tourism brings in much needed cash, it also has a flip side; tourists bring pollution,