Standard: Seventy years ago, the United Nations was created from the ashes of World War II. Seven decades later, in Paris, nations united in the face of another threat the threat to life as we know it due to a rapidly warming planet. Governments have ushered in a new era of global co-operation on climate change one of the most complex issues ever to confront humanity. In doing so, they have significantly advanced efforts to uphold our charter mandate to "save succeeding generations". What was once unthinkable...