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The Lake in the Sky Is Quietly Shrinking: Falling Water Levels and Pollution Threaten Lake Titicaca
Lake Titicaca connects the lives and ecosystems of Peru and Bolivia. As water levels fall and pollution persists, its changing shores threaten totora wetlands, native species, and the communities that depend on the lake. -
When a Lake Stops Mixing: Climate Change and Lake Biwa’s “Deep Breath”
Each winter, Lake Biwa’s waters mix and carry oxygen to the lakebed. Warmer winters could weaken this “deep breath,” changing life beneath its calm surface. -
Can Cold Water Become Infrastructure? Protecting Rivers Through Riparian Forests, Springs, and Dam Operations
As climate change raises river temperatures, cold-water refuges are becoming essential infrastructure. Riparian forests, springs, tributaries, deep pools, fish passages, and dam operations can form a connected network that helps freshwater species survive extreme heat. -
Rivers Have Heatwaves Too: Rising Water Temperatures Are Erasing Cold-Water Ecosystems
Climate change, drought, dams, water withdrawals, and the loss of riparian forests are warming rivers. As cold-water habitats shrink, fish need connected thermal refuges where they can escape extreme heat, survive, and reproduce. -
Why Are Invasive Species Increasing? The Day Native Species Disappear from Our Ponds and Rivers
Invasive species are quietly changing ponds, rivers, rice fields, and irrigation channels across Japan. But the problem is not simply about foreign organisms—it reflects how human society moves, sells, keeps, and releases other forms of life.
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