Lessons Learnt from the Uttarakhand Flash Floods

On 7th February 2021, an ordinary day just like any other in Uttarakhand, little did people know that their lives were going to change on that particular day. A sudden flood in the Dhauli Ganga, Rishi Ganga and Alaknanda rivers caused widespread destruction in the mountainous areas. More than 200 people were missing, and 60Continue reading “Lessons Learnt from the Uttarakhand Flash Floods”

Report on the freshwater algae of Cherrapunjee and Mawsynram

by Rohan Nath Introduction  The Meghalayan plateau region adjacent to the Indo-Burma biodiversity hotspot is known for  Cherrapunjee and Mawsynram. With the second-highest annual average rainfall of 11,820 to  11,872 mm, these regions are hosting a bountiful of perennial water bodies (Fig 1). Fig. 1. Overview map of Mawsynram and Cherrapunji. Image Source: qGIS. TheContinue reading “Report on the freshwater algae of Cherrapunjee and Mawsynram”

Review of groundwater arsenic of the Kolkata Municipal Corporation (KMC)

by Rohan Nath Introduction  Arsenic contamination of groundwater has been a daunting threat for the public in different regions of the world for the past few decades. More than 200 million populations in 105  countries are exposed to arsenic contamination. Plains of Ganga-Meghna-Brahmaputra  (GMB) in India and Bangladesh are heavily polluted with arsenic. More than 100Continue reading “Review of groundwater arsenic of the Kolkata Municipal Corporation (KMC)”

Axing Kerala’s mangroves

While the pandemic has brought enumerable activities to an abrupt standstill, deforestation of Kerala’s mangroves is not one of them. Mangroves are trees and shrubs that thrive on saltwater coasts and can withstand the ebb and flow of the tide. Supporting a luxuriant biodiversity, these vital components of the ecosystem are havens to threatened terrestrialContinue reading “Axing Kerala’s mangroves”

Risk of glacial lake outburst flood in Himachal Pradesh: current and future threats

by Rohan Nath Introduction  Climate change is adversely affecting the Indian Himalayan Region (IHR). The  disappearance of mountain glaciers and the expansion of large glacial lakes are physical  evidence of the dynamic impacts of climate changes in the environment. In addition to the  decrease instability of the ice walls and the surrounding rock, the threatContinue reading “Risk of glacial lake outburst flood in Himachal Pradesh: current and future threats”

Mining in Odisha – A Necessary Evil

Orissa’s lungs are gradually shrinking as extensive mining continues in different parts of the state. A report published in June 2021 revealed that nearly 57000 hectares of forest land was diverted in Orissa for non-forestry purposes, and 18,500,000 trees were cut down between 2010 and 2020. Mining involves extracting of useful materials from the earthContinue reading “Mining in Odisha – A Necessary Evil”