New study shows rising water temperatures in U.S. streams and rivers

Solomons, Md. (April 6, 2010) – New research by a team of ecologists and hydrologists shows that water temperatures are increasing in many streams and rivers throughout the United States. The research, published in the journal Frontiers in Ecology and the Environment, documents that 20 major U.S. streams and rivers – including such prominent rivers […]

Graph of the Day: Abundance of Steller Sea Lions at Año Nuevo Island, 1990-2004

The decline of the central California breeding population cannot be attributed solely to any single threat listed below, but instead is the result of a combination of multiple threats. In some cases, exposure to one threat may make the animals more susceptible to the others (e.g., high level of contaminants may make an animal more […]

China says dams not to blame for low Mekong levels

By Ambika Ahuja, Editing by Alan Raybould and Ron PopeskiHUA HIN, ThailandMon Apr 5, 2010 8:41am EDT (Reuters) – China on Monday denied that its dams were reducing water levels on the Mekong River and blamed problems along the river on unusually dry weather, but it also offered to share more data with its neighbors. […]

China attempts inducing rain for drought

By Staff WritersBeijing (UPI) Mar 30, 2009 In an attempt to bring relief to drought-stricken southwestern China, the government fired cannons and launched rockets loaded with cloud-seeding chemicals throughout the weekend. Results ranged from drizzle to moderate rain to downpours in 11 cities and prefectures, yet meteorologists said the induced rain would have a limited […]

Even in the desert, plants feel the heat of global warming

By Monica Konija, National Science Foundationlivescience.com – Sat Apr 3, 9:02 am ET Global warming is a hot topic, and it’s causing concern for scientists studying winter annuals in the Sonoran Desert. While desert winters have become warmer and drier over the years, climate changes have pushed the arrival of winter rains later in the […]

Arctic thaw frees overlooked greenhouse gas

Editing by Philippa Fletcher OSLO (Reuters) – Thawing permafrost can release nitrous oxide, also known as laughing gas, a contributor to climate change that has been largely overlooked in the Arctic, a study showed on Sunday. The report in the journal Nature Geoscience indicated that emissions of the gas surged under certain conditions from melting […]

Lake Naivasha: Then and Now

In Kenya’s Nakuru Rift Valley, the lakes are drying up: Nakuru, Naivasha, Baringo, Solai, Bogoria, Turkana, and Elementaita are rapidly wasting away, leaving cracked lakebed deserts. In only six years, Lake Naivasha has receded to the point that fishermen have dug long channels in the lakebed to reach the now-distant shore. 2002   2009 Technorati […]

Kenya: A lake lies on its deathbed

By WANJIRU MACHARIAPosted Tuesday, December 8 2009 at 22:00 The short rains that pounded the larger Nakuru District for a few days in August, September and November were greeted with a sigh of relief. For a while, residents and tourists marvelled at the replenished Lake Elementaita that had dried up due to the long drought, […]

Record floods impact thousands in Rhode Island and Massachusetts

As rivers recede, thousands seek flood aid and disaster response organizations assess needs. BY SANDIE GARCIA | BALTIMORE | April 3, 2010 More than 11,000 residents of Rhode Island and Massachusetts have already applied for aid from the Federal Emergency Management Agency (FEMA) following historic flooding that has hit the region. While some survivors will […]

East Siberian Arctic Shelf releases 8 teragrams of methane per year

(AFP) Recently a team from Russia, the US, and Sweden found that the East Siberian Arctic Shelf (ESAS) is releasing around 8 teragrams of methane from subsea sediments each year. Now team member Natalia Shakhova and colleague Dmitry Nicolsky have come up with a new model for the Dmitry Laptev Strait region of the shelf […]

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