European Union leaders hold a summit with Turkey on Sunday, with Ankara set to win a boost for its membership bid and a cash pledge in exchange for its help stemming the flow of migrants.
U.S. conservatives backed by the powerful gas and coal lobbies are at loggerheads with both the scientific world and President Barack Obama on the environment -- but have failed to block his path on climate change.
Nigeria repeatedly claims to have severely weakened Boko Haram and is eyeing an end to the conflict by year-end, yet the Islamists still show a capacity to launch deadly attacks.
Turkey's downing of a Russian war plane on the Syrian border risks inflicting significant damage on relations between Moscow and Ankara, even if they both have an interest in avoiding a permanent rupture.
Europe is facing the specter of attacks by Islamic State (IS) jihadists with police numbers in some countries hit by austerity cuts, raising questions about whether this is making it easier for assailants to slip through the net.
Tackling climate change and countering violent extremism will top the agenda at the Commonwealth summit in Malta this week, attended by Queen Elizabeth II and French President Francois Hollande.
"Copenhagen." The mere mention of the Danish capital's name can send a chill down the spine of even the toughest climate negotiator.
France can withstand the financial shock of the Paris attacks, analysts say, despite people deserting big stores, shunning concert halls and canceling hotel bookings.
While other nations reach for their guns when they are attacked, France looked to its bookshelves Friday.
Every credible plan to save humanity from global warming reserves a key role for a green energy technology called carbon capture and storage.