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The Florida Keyes' reefs are some of the biggest in the world. While the corals already suffer from overfishing, pollution, and tourism, the biggest challenge to the prehistoric creatures' existence has just begun: climate change.
Seal reproduction is increasingly difficult in the Gulf of Finland near St. Petersburg. As the maritime ice is rapidly melting, seal mothers are forced to bring up their pups close to human settlement. Without sufficient shelter, they are easy prey for carnivores, dogs, and humans.
The Pacific island paradise Tuvalu is being destroyed by climate change. Rising sea levels leads to salination of freshwater, intensified erosion gnaws away at the coast. For Tuvaluans, the only escape seems to be migration.