Diver Guo Jingjing, the most successful female athlete in Olympic diving history, has decided to retire, Chinese media reported on Sunday.
Global water crisis: Reporter William Wheeler talks about water stress from the effects of climate change high in the Himalayas where India and Pakistan's great rivers start to Haiti's fresh-water pollution.
The Himalayan glaciers are the planet's largest bodies of ice outside the polar caps. New research shows some Himalayan glaciers got bigger between 1999-2008.
Glaciers now occupy the center stage in the debate over causes and impacts of climate change.
Shrinking glaciers mean longer hikes to water flocks