Riverine Ecology

Order of the National Green Tribunal regarding large scale felling of toddy yielding palm trees in Bihar, 05/06/2025

Order of the National Green Tribunal in the matter of In Re: News Item titled "Are missing palm trees causing more lighting deaths in Bihar appearing in ‘The Times of India’ dated 29.05.2025". The original application was registered suo-motu based on the news item titled "Are missing palm trees causing …

Water and society

About 400 years ago, there was a city in Japan called Edo. Most of its one million people got clean water supplied close to their houses. Human excreta was not dumped into the river. It was used as agricultural fertiliser. The common people had a say in water management, which …

Killing a river

the Bharathapuzha, also known as the Nila in Kerala, is just another river that is gradually dying out. Originating in the Annamalai hills of the Western Ghats, it is the life-line for almost one-eighth of Kerala's population. However, according to a study conducted by the Zoology department of N S …

Drying off

the World Commission on Water for the 21st Century has said that a majority of the world's rivers are polluted and drying up. Pollution of waterways and river basins has increased the number of environmental refugees. Last year, for the first time their numbers (25 million) exceeded the total number …

Unholy mess

The Pampa river in Kerala is slowly dying due to environmental degradation. Also known as Dakshina Ganga because of its historic relationship with the Sabarimala Temple, the river originates from the Sabari hills in the Western Ghats and flows west through the districts of Idukki, Pathanamthitta and Allappuzha. It is …

Wooing back the salmon

In a country like the us , laws once framed are supposed to be implemented. An excellent example is the Endangered Species Act ( esa ). Adopted in 1973, the law was framed with the sole intention of saving species on the brink of extinction

Strict environmental policies

Despite the opposition from political heads and hydropower companies against dam destruction, the emphasis in usa is firmly on restoration of salmon population, even if it means razing the dams. Environmental degradation by dams is also kept in check by monitoring the renewal of dam licenses and also by refusing …

Case for dam destruction

Extinct species: Not only have salmon populations been decimated, but entire stocks have disappeared. Prior to the 20th century, the Columbia River in the us Pacific Northwest supported some 200 distinct stocks of the fish. Today, 69 stocks have disappeared with another 75 on the brink of total extinction. Moreover, …

Dam woes in Japan

The Nature Conservation Society of Japan, a Tokyo-based non-governmental organisation, has released a research report on the effects of a dam at the mouth of the Nagara River in Mie Prefecture. The report mentions an accumulation of sludge on the riverbed and a declining population of corbicula japonica shellfish. It …

Dams: under scrutiny

while environmentalists and the governments are on a warpath over dams in India, construction workers in the us began dismantling the 7.2-metre high, 85-metre-wide Edwards Dam on Maine's Kennebec River in the first week of July. The dismantling was done in a move to restore the nation's rivers to good …

Glaciers beating retreat

On august 4, 1985, a moraine-dammed glacial lake, Dig Tsho, burst in the Khumbu Himal area of Nepal. Within four to six hours, the lake had emptied into Lagmoche valley, one of the tributary valleys of the river Bhote Kosi, which flows along many Sherpa settlements. For more than 90 …

Droughts after deluges

Glaciers , the huge and seemingly sedate rivers of ice, are the source of life and, ironically, death too. These masses not only add to the serene and pristine beauty of the higher reaches of the Himalaya, they are also the source of north Indian rivers. Thus, with global warming …

Melting into thin air

B etween 40 and 50 million years ago, the Indian subcontinent collided with the rest of the Asian landmass. This collision caused the Earth's crust to buckle and rise forming the Himalaya. The uplift of the Himalaya was a gradual process over a long period. As the elevation of the …

The skyway to disaster

THE WATERS may be calm, but the bridge has been certainly troubled. After 18 months and much controversy the Canadian International Development Agency (CIDA), approved the 17-km long, 50-feet high skyway, proposed by the Karachi Development Authority (KDA). The Sindh government also has passed the project following the Canadian report. …

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