25 years of ice loss in the Antarctic
Scientists stitch together a quarter century of satellite measurements of the White Continent, showing those regions that are melting and the pace at which it's happening.
Thousands of emperor penguin chicks drown
After severe weather in 2016 a large penguin colony at the Brunt ice shelf in Antarctica never recovered.
Antarctica: What happened to Halley Bay's penguins?
Peter Fretwell counts penguins from space and has watched the collapse of an emperor colony.