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Home > News > PTI

Millions to be affected by melting snows: report

June 05, 2007 12:15 IST

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Millions of people worldwide will be affected by melting snow covers, ice and glaciers, a United Nations study has said.

The study released to coincide with observation of the World Environment Day today, warns that the availability of water supplies for both drinking and agriculture will also be impacted, while rising sea levels will affect low-lying coastal areas and islands.

The report, Global Outlook for Ice and Snow, has been compiled by the UN Environment Programme and a network of about 70 world experts.

It underlines that the fate of the world's snowy and icy plates in a climatically challenged world should be cause for concern in every ministry, boardroom and living room across the world, said UNEP Executive Director Achim Steiner.

"Indeed the findings are as relevant to people living in the tropics and temperate climes and in cities from Berlin to Brasilia and Beijing to Boston as they are for the people living in Arctic or in ice-capped mountain regions," Steiner added.

Melting snow and glaciers on the mountains of Asia alone could affect approximately 40 per cent of the planet's population, the report noted.

Additionally, as ice and snow melt, avalanches and floods from the build-up of potentially unstable glacial lakes are possible.

As ice thaws, there is also the danger of higher levels of methane, a gas which contributes to global warming.

Rising temperatures, coupled with the thawing of frozen land or 'permafrost,' are leading to the creation of new and expansion of existing lakes in places such as Siberia, which are releasing bubbles of methane, estimated to be 43,000 years old.

Meanwhile, less snow and sea ice means that more of the sun's heat will be absorbed by land and polar oceans, which in turn will speed up global warming.

This year's slogan for World Environment Day is 'Melting Ice' -- a hot topic in support of International Polar year, which runs from 2007 to 2008.

In a separate report, UNEP said that polar tourism has surged in the past decade, potentially promoting environmental degradation in the regions, especially in the Arctic.

In Antarctica, the number of tourists visiting by land has soared 757 per cent in the past decade and those arriving by sea by 430 per cent in the past 14 years. In the Arctic, the number of tourists has increased from one million in the early 1990s to 1.5 million today.

However, effective management practices and implementation of infrastructure have not matched the challenge posed by these rising numbers of tourists.

Produced in conjunction with the International Ecotourism Society, the report called for sustainable tourism policies to be adopted urgently.

Polar regions, 'once the preserve of local indigenous communities and scientists, are now very much on the fashionable tourist map and cruise line schedules,' Steiner said, adding that tourism is an activity that if sustainably managed and with profits and revenues fairly shared can contribute to the conservation of the polar environment as well as the well-being and livelihoods of local communities in the Arctic.

Stefanos Fotiou, head of UNEP's tourism unit and also coordinator of the report, called for more practical tools to be devised to help communities develop sustainable polar tourism policies and programmes.



© Copyright 2007 PTI. All rights reserved. Republication or redistribution of PTI content, including by framing or similar means, is expressly prohibited without the prior written consent.

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