A refugee crisis in northern Iraq’s Kurdish region is intensifying as winter approaches and the threat posed by ISIS forces shows no signs of abating, says journalist Jane Arraf.

While the UN climate summit will not deliver binding commitments to cut carbon emissions, real action on climate policy is occurring on the domestic front, says CFR’s Michael Levi.

Many Iraqis fear their country is sliding toward a wider sectarian war, pitting the Shiite majority against Sunni forces led by jihadi fighters, says expert Jane Arraf.

With its Shiite government struggling for survival and poised for a confrontation with Sunni extremists in Fallujah, Iraq faces a deepening sectarian conflict partly fueled by spillover from Syria, s…