News articles tagged with 'freshwater'
Stanford researchers use river water and salty ocean water to generate electricity
— 30 Mar 2011 16:43 | TechnologyStanford researchers have developed a battery that takes advantage of the difference in salinity between freshwater and seawater to produce electricity…
Helping feed the world without polluting its waters
— 4 Feb 2011 15:49 | EnvironmentA growing global population has lead to increasing demands for food. Farmers around the world rely, at least in part on phosphorus-based fertilisers in order to sustain and improve…
Mutual nosedive for dolphins, river health
— 7 Sep 2010 11:36 | EnvironmentDwindling freshwater dolphin numbers are raising concerns about the declining health of some of the world's most important rivers, shows a new study by WWF…
Tiny fish evolved to tolerate colder temperature in 3 years: UBC study
— 5 Aug 2010 10:22 | BiologyUniversity of British Columbia researchers have observed one of the fastest evolutionary responses ever recorded in wild populations. In as little as three years, stickleback fish developed…
UNESCO to question Russia on pulp mill threat to Lake Baikal
— 1 Jul 2010 09:53 | EnvironmentA Russian government decision to allow a pulp and paper mill to put polluting wastes into the world's oldest and deepest lake has been placed on the agenda of the next UNESCO World…
Atlantic surface circulation qualifies as 'tipped' element
— 28 Jun 2010 14:36 | EnvironmentAn abrupt and persistent strengthening of the ocean currents forming the Atlantic subpolar gyre could have resulted from a large freshwater flooding event 8,200 years ago. New climate…
Why mercury is more dangerous in oceans
— 28 Jun 2010 13:57 | EnvironmentEven though freshwater concentrations of mercury are far greater than those found in seawater, it's the saltwater fish like tuna, mackerel and shark that end up posing a more serious…
Adaptation is (not) in the eye of the beholder
— 23 Jun 2010 11:30 | BiologyThe limited immune response in the eyes of freshwater fishes has created a great home for parasites, according to research published online in the journal Molecular Ecology. The study…
Decline of freshwater species - a loss of natural capital
— 22 Jun 2010 10:13 | EnvironmentThe decline of biodiversity represents a loss of natural capital for future generations. Freshwater ecosystems are particularly affected, as they harbour disproportionately high levels…
Gulf oil spill: Mississippi River hydrology may help reduce oil onshore
— 18 Jun 2010 14:05 | EnvironmentThe Gulf of Mexico: what role will the Mississippi River play in oil washing ashore and into delta wetlands?…