Himalaya's Melting Glaciers Threaten Regional Water Crisis: WWF

ICE WORLD

Astronaut's view of Himalayan glaciers. Credit: NASA.

Geneva (AFP) Mar 14, 2005
Global warming is causing Himalayan glaciers to rapidly retreat, threatening to cause water shortages for hundreds of millions of people who rely on glacier-dependent rivers in China, India and Nepal, WWF warned Monday.

The warning by the global conservation group comes as WWF released a new report which it said exposes the rate of retreat of Himalayan glaciers accelerating as global warming increases.

The report indicates glaciers in the region - which represent the greatest concentration of ice on the planet after the Arctic poles - are now receding at an average rate of 10 to 15 meters (33 feet) per year.

"The rapid melting of Himalayan glaciers will first increase the volume of water in rivers, causing widespread flooding," said Jennifer Morgan, director of the World Wide Fund for Nature's Global Climate Change Programme in a statement.

"But in a few decades this situation will change and the water level in rivers will decline, meaning massive economic and environmental problems for people in western China, Nepal and northern India."

Himalayan glaciers feed into seven of Asia's greatest rivers - the Ganges, Indus, Brahmaputra, Salween, Mekong, Yangtze and Yellow rivers - ensuring a year-round water supply to hundreds of millions of people in the Indian subcontinent and China.

The WWF report was published in the run-up to two meetings in London on climate change organized by Britain as current head of the G8 group of industrialized nations.

The gatherings, a ministerial roundtable of the 20 largest energy using economies in the world, and then a G8 meeting of development and environment ministers focusing on climate change, take place from March 15-18.

In a letter sent to participating ministers, WWF stressed the need to recognize climate change as an issue that seriously threatens security and development.

"Ministers should realize now that the world faces an economic and development catastrophe if the rate of global warming isn't reduced," Morgan said.

A study commissioned by WWF shows that dangerous levels of climate change could be reached in just over 20 years and that if nothing is done, the earth will have warmed by two degrees Celsius (3.6 degrees Farenheit) above pre-industrial levels by some time between 2026 and 2060.

"All countries must understand that crossing the two degree Celsius ceiling is truly dangerous," said Morgan.

As glacier water flows dwindle, the energy potential of hydroelectric power will decrease, causing problems for industry, as well as agriculture, as reduced irrigation means lower crop yields, WWF said.

The environmental watchdog's report shows that three of Nepal's snow-fed rivers have shown declining discharge. Nepal has an annual average temperature rise of 0.06 degree Celsius per year.

In northwest China, the Qinghai Plateau's wetlands have seen declining lake water levels, lake shrinkage, the absence of water flow in rivers and streams and the degradation of swamp wetlands, according to the report.

India's Gangotri glacier, which supports one of India's largest river basins, is meanwhile receding at an average rate of 23 meters per year.

All rights reserved. � 2005 Agence France-Presse. Sections of the information displayed on this page (dispatches, photographs, logos) are protected by intellectual property rights owned by Agence France-Presse. As a consequence, you may not copy, reproduce, modify, transmit, publish, display or in any way commercially exploit any of the content of this section without the prior written consent of Agence France-Presse.

ICE WORLD

Canada's Shrinking Ice Caps

Greenbelt MD (SPX) Mar 10, 2005
Earth's ice-covered polar regions help to keep our climate cool and hold tremendous amounts of fresh water locked up in their glaciers, ice caps, and ice sheets. The ice contained in these vast freshwater reservoirs is the equivalent of nearly 220 feet of sea level.

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