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1317 αναγνώστες
Παρασκευή, 29 Μαΐου 2009
11:50

 

 

Huge glacier disappears

 

REUTERS - May 27

A huge Bolivian glacier that once provided drinking water for millions of people, has melted into oblivion.

Standing at 5,500 meters (18,000 feet) above sea level, Bolivia's Chacaltaya glacier used to be the world's highest ski resort, but now it has completely melted away.

Scientists say global warming will melt most Andean glaciers in the next 30 years, threatening the livelihood of millions of people who depend on them for drinking water, farming and power generation.

Ten years ago the Chacaltaya glacier spread over 500 meters (1640 feet) and attracted mountaineers and a healthy ski industry.

The mountain's name means "cold road" in the local Aymara language, but now there is little more here than rocks and even the soil's permafrost has melted away. Scientists had predicted that the glacier would disappear in 2015, but things have happened a lot faster than expected.

Small glaciers are scattered across the Andes and have for long been a crucial source of fresh water in Bolivia, Ecuador and Peru, thawing in summer months and replenishing themselves in winter. But global warming has driven them into retreat.

More than 2 million people in the La Paz region used to depend heavily on the thawing of Chacaltaya and neighboring glaciers for water and, indirectly, for electricity.

Local authorities predict the economic losses will be huge for the impoverished nation. Oscar Paz, Director of the Bolivian Office for Climate Change, says that for the year 2025, the economic loss in the (Andean) region will be US$30 billion annually.

Farmers who depend on the crops they grow at the base of the mountain say they haven't been producing as much food in recent years. Snow feeds slow-release moisture and nitrogen into soils, but for years they haven't had any big falls.

About 80 percent of the Andean glaciers are also shrinking, and experts say they are similarly doomed. That includes glaciers like the Tuni Condoriri, another important water source for Bolivia's western region.

Πηγή: REUTERS

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29/05 22:56  jerri
καλά πάμε...
30/05 01:31  Manta ray
Δείξε τα φίλε Κλεάνθη, μήπως και καταλάβουμε πόσο έχουμε ήδη αργήσει...

Δες κι αυτό:

"Report: Climate Change Causes 300,000 Deaths Yearly Already


LONDON — Climate-change disasters kill around 300,000 people a year and cause about $125 billion in economic losses, mainly from agriculture, a think-tank led by former U.N. Secretary General Kofi Annan reported Friday.

The Global Humanitarian Forum also estimated that 325 million people are seriously affected by climate change _ a number it says will double by 2030, as more people are hit by natural disasters or suffer environmental degradation caused by climate change.

"Climate change is a silent human crisis," Annan said in a statement. "Yet it is the greatest emerging humanitarian challenge of our time."

The report suggests that rising sea levels, desertification and changing rainfall patterns are reducing many people's access to safe drinking water and food. This in turn increases diarrhea, malaria and malnutrition.

The report said 99 percent of all people who die due to climate-change related causes live in developing countries, even though those countries generate less than 1 percent of total emissions of greenhouse gases responsible for global warming.

The report used existing data on weather-related disasters, population trends and economic forecasts to draw its conclusions. It was released ahead of climate change talks in Bonn, Germany, next week, that are to lead to a possible new global treaty on cutting greenhouse gas emissions in Copenhagen in December."

http://www.huffingtonpost.com/2009/05/29/report-climate-change-ser_n_208944.html

30/05 09:09  Κλεάνθης
Καλημέρα jerri, Manta ray.
Πάμε καλά...

Καλά ο άλλος αγχώθηκε! Προτείνει αλλαγή του albedo της Γης! Τόσο καλά είναι τα πράγματα...

http://www.tanea.gr/default.asp?pid=2&artid=4519056&ct=2

Στίβεν Τσου-νομπελίστας φυσικός-Υπουργός Ενέργειας των ΗΠΑ:

«Σώστε τη Γη. Βάψτε την άσπρη»

«Είμαστε αντιμέτωποι με μια πολύ σοβαρή κρίση»

«Η Γη θα συνεχίσει να θερμαίνεται, ακόμα και αν σήμερα κλείναμε τον ενεργειακό διακόπτη»
30/05 14:45  ΣΟΛΩΝ (όχι ο σοφός)
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