Spain will allow workers up to four days of paid leave to help them avoid traveling during climate emergencies. Employers were criticised for making staff work despite an alert sent out ahead of the October floods that killed at least 224 people. In another developing story, protesters gathered outside the top UN court calling for "climate justice" as a landmark climate change case opened on Monday. The International Court of Justice took up the largest case in its history, hearing the plight of small island nations helpless in combating the impact of climate change that they feel endangers their very survival. Watch NDTV'S The World Report for the latest updates.