Algae
Toxic Algae

Lake continues trend of harmful and unsightly effect of nutrient pollution.

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Extreme Weather Extreme flooding along the Madeira River in the Amazon basin, which killed 60 people and displaced 68,000 families this year, was the result of massive deforestation in Bolivia and Peru, according to a scientist who was previously the head of the Inter-American Development Bank environmental division, IPS reported. His assessment contradicts the views […]

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New research finds that agricultural practices lead to biggest threat to water quality and health in the Great Lakes.

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Australia New South Wales and the federal government of Australia have reached a new agreement about government water buybacks in the Murray-Darling River Basin, capping the buybacks at 1,500 gigaliters, the Guardian reported. The buybacks transfer water rights from farmers and other water users to the government, and are meant to keep enough water in […]

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Both chambers of Congress reauthorized a program that coordinates drought data, research, and outreach between the federal government, the states, and the public. The House funded the National Integrated Drought Information System at $US 13.5 million and the Senate at $US 12 million, two sums that will be reconciled. Drought Aid President Obama pledged $1.2 […]

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Water Supply Tropical forests act like sponges that trap water during storms, making them critical to protecting surrounding areas from excessive runoff and flooding, say scientists from the Smithsonian Tropical Research Institute, Phys.org reported. By looking at changes in land use in Panama, the researchers found that tropical forests are much more efficient at trapping […]

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Too Many Vitamins A phosphorous target for the Maumee River, a key tributary, and prohibitions on certain fertilizers in lawn-care products are two of 15 recommendations in a draft plan for reducing algal blooms in Lake Erie. The plan comes from the commission that manages waters shared by Canada and the United States. The International […]

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Water Quality Large blooms of algae in Florida’s Indian River Lagoon have destroyed sea grass beds and forced manatees to eat poisonous macro algae that can kill them, NPR reported. The algal blooms are thought to be the result of nutrient-rich water releases from Lake Okeechobee and seeping septic systems. Australia’s government is requiring environmental […]

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Marine Life A decade long, $US 60 million project will dismantle the Veazie Dam on Maine’s Penobscot River, to the relief of conservationists, government officials, and anglers alike, The New York Times reported. Dams on the river and pollution from paper mills have reduced the number of river herring running upriver from as many as […]

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Water Management After more than two weeks of complaints from customers about having dirty water pumped into their houses, the Brihanmumbai Municipal Corporation (BMC) in Mumbai found 26% of water samples, up from 16% last year, unfit for consumption, The Times of India reported. Cases of waterborne disease in the city have been rising in direct […]

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Circle of Blue’s 2012 Election Guide breaks down the presidential candidates’ positions on water issues, and it identifies state and local ballot initiatives related to water. A Green Light for Dredging The U.S. Army Corps of Engineers gave its final approval to deepen 50 kilometers (32 miles) of Savannah Harbor by 1.5 meters (5 feet), […]

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New research based on 30 years of observation suggests that Harmful algal blooms are occurring with greater intensity in Switzerland’s Lake Zurich, illustrating the threat climate change poses to Europe’s inland lakes, according to research from the University of Zurich, United Press International reported. This ‘perfect storm’ of rising water consumption and diminishing natural supply […]

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Extensive flooding in Australia makes the need to implement a new Murray-Darling Basin water management plan less urgent, argued the Water Minister of New South Wales, who called for delayed action on the reforms, according to The Australian. Two billion people gained access to safer drinking water between 1990 and 2010, meeting an international Millennium […]

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How can the world feed 9.5 billion people, the projected global population in 2050? The Guardian looks at a mix of new, somewhat radical scientific solutions: commercial algae farms, insects, desert greening and meat grown in a lab. Modernising agricultural technology is the key to boosting China’s food output, according to China’s Premier Wen Jiabao, […]

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Red Tide Dead Fish Algae Blooms

High temperatures and salinity concentrations along the Texas Gulf Coast are behind a toxic red tide, fish kills, and an influx of oyster parasites. Additionally, several saltwater species have been found upstream, surviving in a typically freshwater environment and signaling a large change in these delta ecosystems.

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Costly weather extremes such as drought and floods are becoming more prevalent as climate change progresses, the Associated Press reported, citing a draft of a new study by the Intergovernmental Panel on Climate Change. The growing populations in vulnerable locations around the world will likely exacerbate the problem. Only 5 percent of the $97 billion […]

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How is water affected by illegal waste exports from the United Kingdom to the developing world? The U.K. Environment Agency is pursuing in court 30 cases of illegal exports of electrical and household waste — as well as tyres — to West Africa and South East Asia, which have dire consequences for public health and […]

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Production of ethanol, the most commonly used biofuel, has prompted concerns about water use and food supply.

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Flushing For Fuel: Wastewater grows energy-rich plants and algae.

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May marks the season for rainmakers in Australia. As the month approaches, Aboriginal weather watchers look to blooming wattle trees, flitting native birds and flocking cockatoos for signs of rain. But this year, autumn arrives with a dire forecast.

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