Freshwater Ecosystems

State of the Climate in Asia 2024

The World Meteorological Organization’s State of the Climate in Asia 2024 report warns that the region is warming nearly twice as fast as the global average, driving more extreme weather and posing serious threats to lives, ecosystems, and economies. In 2024, Asia experienced its warmest or second warmest year on …

Beyond the source: the environmental, economic and community benefits of source water protection

Wastewater is a resource that is too valuable to throw away, especially in an increasingly water-scarce world. Wastewater from large cities is often pumped directly into rivers or seas without treatment, leading to pollution and posing a threat to the health of ecosystems and people. But under the right conditions, …

Linking ecosystem services and water security: SDGs offer a new opportunity for integration

This paper argues that the 2015 UN Development Agenda, which promotes integration among all water and water-using sectors, offers a timely opportunity to view, value, and manage aquatic ecosystems as an integral part of water security planning.

China’s eco-warriors make last stand against Poyang Lake dam

Environmentalists are making a last-ditch effort to halt a controversial plan to build a 13 billion yuan (HK$14.5 billion) dam on China’s biggest freshwater lake, Poyang, fearing the project will take a toll on endangered migratory birds and finless porpoises. Activists are urging the public to file objections to the …

Towards a worldwide assessment of freshwater quality

The world is facing a water quality challenge. Serious and increasing pollution of fresh water in both developing and developed countries poses a growing risk to public health, food security, biodiversity and other ecosystem services. Pollution is strongly linked to economic development – with population growth and the expansion of …

Amazon oil spill impacts indigenous villages on Teles Pires River

An oil spill was detected on November 13th on the Teles Pires River, a tributary of the Tapajós River, in a remote part of the Brazilian Amazon. The spill occurred near the under-construction São Manoel hydropower dam. The spill’s cause or extent is as yet unknown. Roughly 320 indigenous people …

Bacterial and archeal community composition in hot springs from Indo-Burma region, North-east India

Bacterial and archaeal diversity of two alkaline Indian hot springs, Jakrem (Meghalaya) and Yumthang (Sikkim), were studied. Thirteen major bacterial phyla were identified of which Firmicutes, Chloroflexi and Thermi were dominant in Jakrem and Proteobacteria in Yumthang. The dominant genera were Clostridium, Chloroflexus and Meiothermus at Jakrem (water temperature 46 …

Living Planet Report 2016: risk and resilience in a new era

Global wildlife could plunge to a 67 per cent level of decline in just the fifty-year period ending this decade as a result of human activities, according to WWF’s Living Planet Report 2016. The report shows how people are overpowering the planet for the first time in Earth’s history and …

Amazon radio network unites regional opposition to Tapajós basin dams

The Amazon News Network has been in operation for nearly a decade, with the mission of providing news and information to unify people living all across the Amazon region of Brazil. The Network is especially involved in providing news about the massive infrastructure projects planned for the Amazon, including more …

ExxonMobil to pay $12 million in Montana oil spill settlement

ExxonMobil Corp. has agreed to pay $12 million to Montana and the U.S. government to restore natural resources damaged or destroyed by a pipeline rupture in 2011 that spilled oil into the Yellowstone River, according to a settlement proposed on Wednesday. ExxonMobil Pipeline Company's Silvertip pipeline burst July 1, 2011 …

Russia's 'blood river' spill shouldn't happen again, plant operator says

A spill of waste originating from a metallurgical plant in Russia that turned a river blood-red posed no threat to people or wildlife, an executive at the plant's operator said. Pictures of the crimson water in the Daldykan river, in the Arctic Circle, quickly went viral over social media, and …

Panama begins “test-flooding” dam over indigenous protests

Panama’s Ngäbe and Buglé indigenous groups have long opposed the nearly complete Barro Blanco dam near their territory, alleging that the dam’s owner failed to consult them or conduct proper environmental and social impact assessments. The dam has spurred countless demonstrations, prompted outcry from national and international NGOs, and caused …

Spanish wetlands and wildlife sanctuary under threat: WWF

Donana National Park, part of southern Spanish wetland used by 6 million migratory birds, could dry out completely unless the Spanish government tackles the threat of dredging, mining and intensive farming, a report said on Thursday. The World Wildlife Fund said Spain was failing to safeguard the 54,000 hectare (209 …

Spain could be first EU country with national park listed as 'in danger'

A Spanish wetland home to 2,000 species of wildlife – including around 6 million migratory birds – is on track to join a Unesco world heritage danger list, according to a new report. Doñana is an Andalusian reserve of sand dunes, shallow streams and lagoons, stretching for 540 square kilometres …

Controversial dams on 5 Chilean rivers scrapped after years of campaign

Spanish energy company Endesa announced on August 30 that they were returning the water rights of the five Chilean rivers to the state because its hydroelectric projects were not viable. A coalition of citizens, community groups, and NGOs have been lobbying for two decades, pressuring the Chilean government and Endesa …

Dam removal projects accelerate, but research lags behind

A new review reveals gaps in the science of dam removal. Although more than 1200 dams have been removed in the United States, fewer than 10 percent have been scientifically evaluated. Those studies that do exist focus more on short-term river channel responses rather than longer-term biological responses. The findings …

More than 300 million at risk of life-threatening diseases from dirty water: UN

More than 300 million people in Asia, Africa and Latin America are at risk of life-threatening diseases like cholera and typhoid due to the increasing pollution of water in rivers and lakes, the United Nations Environment Programme (UNEP) said. Between 1990 and 2010, pollution caused by viruses, bacteria and other …

DoE to collect Tk 1cr from 14 industries for damaging Buriganga

The Supreme Court today cleared the way for Department of Environment to collect a fine of Tk 1.04 crore from 14 industries for polluting the Buriganga river in Shyampur area of Dhaka. The apex court stayed an order of the High Court that halted collection of the fine from the …

Urban water pumping raises arsenic risk in Southeast Asia

Large-scale groundwater pumping is opening doors for dangerously high levels of arsenic to enter some of Southeast Asia's aquifers, with water now seeping in through riverbeds with arsenic concentrations more than 100 times the limits of safety, according to a new study from scientists at Columbia University's Lamont-Doherty Earth Observatory, …

Mines hydrology research provides 'missing link' in water modeling

New research tackles the issue of global freshwater supply by taking a unique approach in quantifying the water that plants release into the atmosphere through a process called transpiration in conjunction with evaporation of water from the soil. Groundbreaking research on global water supply co-authored by Colorado School of Mines …

Climate Change Affects The Population Of North American Fishes

The global climate change is impacting the fish populations and communities and changing the freshwater ecosystems in North America and Canada, according to four new studies. Advertisement The studies were printed in the issue of Fisheries magazine this week, published by the American Fisheries Society. The scientists observed various changes …

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