The U.S. imports a lot of coal from Colombia and the life of a coal miner there is hard, but the miners are not the only ones impacted.
An innovative program provides bicycles to people in need in the developing world -- like HIV caregivers in Zambia.
Gas for heating is in short supply in many European countries as Russia and Ukraine accuse each other of interrupting supplies.
International reaction to Barack Obama's economic plan, and perceived implications for the global economy.
Members of the musical group Monareta hail from Bogota, Columbia, but spend a lot of time in Brooklyn.
Understanding Hamas' motivations and strategy in Gaza, which analysts say is more a political calculation than a military one.
The extra second added to 2008, atomic clocks, the GMT and other ways timekeepers try to keep us all on time.
Israel has rebuffed international calls for a ceasefire in its assault on Gaza, and has hinted at expanding its offensive.
Sufis seek divine love and knowledge through direct personal experience of God -- this is the theme of the music of Arieb Azhar.
The Israeli offensive on the Gaza Strip continues with air raids on Hamas targets -- a reporter in Gaza City reports on the current conditions there.