Climate change may be causing more algae to grow across the snow in Antarctica. Scientists say the algae requires warmer temperatures and could eventually wipe out the continent's ecosystem. | AJ

Antarctica, the vast frozen continent at the South Pole and the world’s largest desert, is known for its harsh, icy landscape and extremely cold temperatures, dropping as low as -90°C in winter. But things are changing fast. Due to global warming, parts of Antarctica are starting to look different. For many people, the word "desert" brings to mind hot places like the Thar or Sahara deserts. However, Antarctica is also a desert, but it is cold instead of hot. It hardly gets any rain and has very