Graph of the Day: Salinity of Australia’s Lake Alexandrina, 1950-2009

The salinity in Lake Alexandrina at Milang increased to 6,000 EC in April 2009 and is currently about 5,500 EC, which is significantly higher than the long term average (see Figure 7). Upstream of the Goolwa Barrage, the salinity increased to 32,000 EC in March 2009 and is now about 20,000 EC (compared with seawater […]

Melting permafrost causing disappearance of Arctic wetlands

By Bob Janiskee Scientists working in Denali National Park suspect that permafrost melting that’s caused by climate warming might be an important reason why many of Alaska’s shallow lakes and wetlands have shrunk or disappeared. If the trend continues, wetland-dependent wildlife might be severely impacted. … Bush pilots and others familiar with the black spruce […]

Kashmir's main glacier ‘melting at alarming speed’

SRINAGAR, India (Reuters) – Indian Kashmir’s biggest glacier, which feeds the region’s main river, is melting faster than other Himalayas glaciers, threatening the water supply of tens of thousands of people, a new report warned on Monday. SRINAGAR, India (Reuters) – Indian Kashmir’s biggest glacier, which feeds the region’s main river, is melting faster than […]

Freshwater species suffer most as extinctions rise

By Alister Doyle, Environment Correspondent OSLO (Reuters) – Creatures and plants living in rivers and lakes are the most threatened on Earth because their ecosystems are collapsing, scientists said on Sunday. They urged the creation of a new partnership between governments and scientists to help stem extinctions caused by humans via pollution, a spread of […]

Graph of the Day: Murray-Darling Basin Active Water Storage, July 1996 to July 2009

MDBA active (useable water) storage at the end of July was 1,470 GL or 17% of capacity (Figure 4). This is similar to this time last year (1,480 GL) but well below the July long term average of 5,610 GL. MDBA active storage has now been below average since early 2002. There was also about […]

Judge again rules against Georgia in water fight

By Bill Rankin, The Atlanta Journal-Constitution The judge overseeing the tri-state water wars case on Monday again ruled against Georgia and all but told the state it should stop litigating claims to Lake Lanier water rights and settle the case once and for all. In a three-page order, Senior U.S. District Judge Paul Magnuson frowned […]

Soot clouds melting Himalayan glaciers

Fumes from wood fires and from diesel engines accelerate melting, Indian scientists warn By Randeep Ramesh and Suzanne Goldenberg, The Observer, Sunday 4 October 2009 Glaciers in the Himalayas and the Tibetan plateau that feed the river systems of almost half the world’s people are melting faster because of the effects of clouds of soot […]

Can we grow more food in 50 years than in all of history?

Science Leader Says Population and Global Warming Make the Job Hard By NED POTTER, Oct. 5, 2009 How serious is the world’s situation? Bad enough, says a leading Australian scientist, that the world will have to produce more food in the next 50 years than we have in the thousands of years since civilization began, […]

UN warns of 70 percent desertification by 2025

BUENOS AIRES (AFP) — Drought could parch close to 70 percent of the planet’s soil by 2025 unless countries implement policies to slow desertification, a senior United Nations official has warned. “If we cannot find a solution to this problem… in 2025, close to 70 percent could be affected,” Luc Gnacadja, executive secretary of the […]

The high stakes of melting Himalayan glaciers

By Reenita Malhotra, for CNN (CNN) — The glaciers in the Himalayas are receding quicker than those in other parts of the world and could disappear altogether by 2035 according to the 2007 Intergovernmental Panel on Climate Change (IPCC) report. The result of this deglaciation could be conflict as Himalayan glacial runoff has an essential […]

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