DownToEarth The Aral Sea, the world’s fourth-largest lake until the early 1960s, dried up after that decade in Soviet Central Asia and became a byword for environmental disaster later, almost on the lines of the Chernobyl nuclear disaster. Now, a new study has found that the desert which emerged due to the drying up of the lake, has made Central Asia a much dustier place. Not only is the dust more hazardous...

-The Hindu The scientists in the institute have identified a few locations in the higher reaches of Uttarakhand for “densification” of seismometers and river gauges to take the total number to 100 from 60. The National Geophysical Research Institute (NGRI) of the Council of Scientific and Industrial Research has begun field studies to put in place an early-warning system in the Himalayan States against major and sudden floods, rockslides, landslips, glacier lake...

-Peoples' Dispatch A convergence of factors such as extreme heat waves, melting glaciers, and heavy monsoon rainfall explains the scale of floods in the country. All these factors are connected to climate change Floods have devastated Pakistan this year, with 33 million people affected and more than 1,200 killed. Rivers breaching their banks coupled with the bursting of glacial lakes inundated almost one-third of the country, causing a massive economic loss. Recovery...

-Scroll.in With growing evidence on the transboundary nature of climate risks, there is an urgent need for a comprehensive regional risk governance framework. In the space of three months in early 2021, two glacial lakes in Uttarakhand burst their banks, with tragic consequences for mountain communities and ecosystems. In February, a glacier lake breach caused flash floods that surged through the Rishiganga River. At least 61 people were killed and around 143...

-Down to Earth The need of the hour is to put halt large hydel-power projects in the Himalayas. Can small hydropower plants offer a sustainable solution? Hydropower is a renewable and non-polluting source of energy. India has an economically exploitable and viable hydropower potential, which is estimated to be about 84,000 megawatt at 60 per cent load factor. It has an installed capacity of 148,701 MW, according to the National Hydroelectric Power...