Damages to the environment are widespread and will continue to impact Ukrainians for decades to come.
"They make me bleed inside every time I talk to them," says Saber Askar, a US citizen from Yemen, with family still in the war-torn country. "I don’t know what to do. Every time I call, I’m afraid they're not going to answer anymore."
When America entered World War I, a century ago this week, the European powers were bogged down in a grinding trench war that had killed millions and ravaged the European continent.
When she was 14, Xiomara picked up a gun and joined Colombia's Marxist guerrilla group, the FARC. She stayed in the wilderness for 15 years. Now she faces the challenges of thousands of other women who have left the rebel group: how to come back.
How did the US go from being a country that denied secretly bombing Laos to finally taking responsibility, 40 years later?
Life is full steam ahead for this Syrian family, recently resettled in California. But post-Paris, they've noticed stares from strangers and worry that their relatives, hoping to come to the US too, may not be allowed in anytime soon.
The African Union report on South Sudan's war, which was published in October, contains details of old and young women who were gang raped and left bleeding and unconscious.
Amer Mohammad says he has no future in Turkey, where he is not allowed to work or gain refugee status after fleeing ISIS occupation. Like some 2 million other refugees there, he doesn't have many good options and doesn't know when countries in Europe will find a solution.
The basic components of human conflict may never change, but the way we fight certainly will.
Saudi Arabia's King Salman wasn't at this week's Camp David summit with other leaders of the Gulf Cooperation Council countries, but that didn't stop President Barack Obama from promising to "streamline and expedite" the delivery of weapons to the kingdom — even those being used in Yemen.
After anxious days in Guam, Joshua Nguyen remembers restarting life with his family in Idaho and trick-or-treating until midnight.