New York Times: The two-week United Nations climate conference outside Paris that drew to an end on Saturday focused on many of the physical dangers associated with climate change: extreme weather, severe drought, the warming of oceans, rain forest destruction and disruptions to the food supply.
But global warming has already had another effect - the large-scale displacement of people - that has been an ominous, politically sensitive undercurrent in the talks and side events here.
Scientists have said that...