Agence France-Presse: Climate change is a big worry in Latin America, Asia and Africa, but the Islamic State in Iraq and Syria (ISIS) group spells more anxiety among Europeans and North Americans. That is what a new global opinion poll suggests, although world economic instability also figures prominently as the top concern in a number of countries, and forms the second-biggest concern in half of the 40 countries surveyed. The details are in a poll released on Tuesday by the Pew Research Centre in Washington, which...