NASA

This visualization shows ocean surface currents around the world during the period from June 2005 through December 2007. The visualization does not include a narration or annotations; the goal was to use ocean flow data to create a simple, visceral experience.

David Fogarty and Deborah Zabarenko

* Rising population, development put more in harm's way

* Policymakers urged to act in next few decades

* Less emphasis on mitigation, more on cutting risk

By David Fogarty and Deborah Zabarenko  

Damage from disaster so severe that clean-up expected to take decades, according to latest examination of nuclear plant

Megan Rowling

Water must be used more efficiently to meet rising food demand from a growing population amid climate-change pressures, experts say.

Alecia D. McKenzie

[MARSEILLES] Hydropower could supply all of Africa's electricity needs if cross-border cooperation was stepped up, according to a UN report launched last week (12 March) at the World Water Forum in Marseilles, France.

Washington Post

Karen DeYoung

Fresh-water shortages and more droughts and floods will increase the likelihood that water will be used as a weapon between states or to further terrorist aims in key strategic areas, including the Middle East, South Asia and North Africa, a U.S.

Fiona Harvey

OECD report says pollution will become biggest cause of premature death, killing an estimated 3.6 million people a year by 2050

Gareth van Zyl

 Super-high-resolution digital satellite photography is being used by researchers to help fight Malaria in Africa.

 This map is a work in progress. The uses of water, air and land are diverse in New Mexico and will change dramatically with climate change. For caretakers of this sacred trust, the map offers a bird’s eye view of the health of our environment.

Millennium development goals: Two down, six to go

The United Nations has met two of its eight development goals, well ahead of the 2015 deadline. Six goals are left.