by Sam KINGSLEY PUUMALA, United States (AFP) — The serene, icy waters of Finland’s Lake Saimaa are a boon to fishermen and tourists, but their presence also threatens one of the world’s rarest and most endangered seals. Despite seeing numbers recover in recent decades, the Saimaa ringed seal still faces extinction amid climate change and die-hard fishing habits. Out on Saimaa, a dark grey, whiskered creature pops its head up and breaks the surface in […]