Climate change and its consequences have been talked about since the beginning of the century. So, iconic images of a polar bear on a tiny patch of ice surrounded by the immense Arctic Ocean helped show the scope of the drama to come. Now the tragedy has moved to the south. Last year, four colonies of emperor penguins in Antarctica failed to raise their chicks. Their parents nested as always on frozen water surfaces, but in the southern summer of 2022, the antarctic melting It occurred before the chicks had switched from down to hydrophobic feathers that would have allowed them to dive into the frigid Antarctic waters.
