Mali has gone from one of Africa's model democracies to a haven for al Qaeda, leaving the people of Timbuktu asking what happens next?
Irrigation and hydroelectric projects along with shrinking glaciers are reducing the flow of the Indus River--and increasing tensions between Pakistan and India.
Tuareg rebels have been fighting the Niger government, with some support from Libyan leader Muammar Qaddafi, for a share in the lucrative uranium mined on their lands.
A new study predicts there could be 11,000 deaths in Haiti attributed to cholera infections between March and November of 2011, but NGOs aren't offering any lasting solutions to the problem.
Rising temperatures and fluctuating weather conditions in Mongolia's countryside could be caused by global warming.
Global warming is harming Mongolia's grasslands, which feed the livestock that directly support nearly half of the country's population.
In Carhuaz, Peru, a massive flood caused by climate change has dramatically altered one woman's way of life. Others could face similar destruction.
The Pastoriri Glacier, once a popular ski destination, may have shrunk by 70 percent in the last 48 years. And the culprit appears to be global warming, not tourism.
With most of the tropical glaciers found in the Andes, the quickly vanishing white peaks are becoming a rare sight, and a cause for concern, as some estimate they will vanish within this lifetime.
Lima's population boom, and a lack of infrastructure to support it, has left some residents waiting 40 years for running water.
Called the Costa Verde or, green coast for its once lush vegetation, today the cliff area on Lima's coast is mostly bare.
Lima is one of the cities most immediately threatened by global warming. How will the Peruvian capital respond to decline of its chief source of water as its population grows and demand increases?