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?
Due to China's very rapid economic growth in the last few decades, and the impact of climate change, large parts of China's wetlands are vanishing or have already disappeared.
Haitians and aid workers fear storms and the disastrous connection between cholera, charcoal, deforestation, and floods.
The cholera outbreak has lead Haitians to boil their water. But they use charcoal for fire, which leads to deforestation and then flooding. Now a new program is trying to restore Haiti's ecosystem.
Timbuktu: The caravan city harbors ancient manuscripts, al Qaeda insurgents, and a world of intrigue.
A slideshow presentation of National Geographic reporter Brent Stirton's reporting trip to Timbuktu. Based on an article in the January 2011 issue of National Geographic Magazine.
Sudan's Abyei region, considered a microcosm of the Sudanese struggle for national identity, will likely be critical to the success or failure of a North-South peace deal.