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Lakes expanding ‘dangerously’ in Everest glacier
Posted by BBC: Navin Singh Khadka on November 27th, 2015
BBC: Lakes that have been forming near Mount Everest could threaten settlements downstream if they overflow.
Ponds on the surface of the Khumbu glacier in the Himalayas have expanded and joined together to form larger bodies of water.
Climbers need to cross the glacier, including the treacherous Khumbu Icefall, to climb the mighty peak.
The accelerated meltdown of glaciers in the region is causing concern against a backdrop of rising global temperatures.
Scientists say the warning is the first...
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Trouble ahead for the Mekong Delta
Posted by BBC: Navin Singh Khadka on October 20th, 2015
BBC: Lush greenery in the lower Mekong region sprawls as far as the eye can see, an illustration of just how fertile the delta is. The endless green fields scored by the river's nine tributaries, which the Vietnamese call "Nine Dragons", explain why this area is one of the world's major food baskets. It houses the richest inland fishery and accounts for more than a fifth of the world's rice exports, although looks can be deceptive. Encroaching sea water from the south, a proliferation of hydro dams...
Weather systems clash led to India floods
Posted by BBC: Navin Singh Khadka on June 22nd, 2013
BBC: An unusually intensive fusion of two weather systems from opposite directions triggered this week's devastating floods in northern India and western Nepal, authorities have said.
They say the monsoon advancing towards the west of South Asia combined with westerly winds for an unusually long time and with an extraordinary intensity, which resulted in days of torrential rains.
Weather authorities in India and Pakistan have warned there is still a threat that the dangerous combination will cause...
Black carbon
Posted by BBC: Navin Singh Khadka on July 8th, 2011
BBC: Although a normal monsoon has been forecast for South Asia this year, and rains have begun normally in many parts of the region, people are still anxious about the rainy season that lasts for four months.
Their anxiety has to do with the uncertainties surrounding the timing of the monsoon in recent years.
While the debate continues over the role of climate change, scientists have also been looking at the possible role of soot and urban smog pollution in disrupting this weather system.
The...