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less drain on freshwater supplies with seawater fuel discovery




researchers have found that seawater can replace freshwater to produce the sustainable fuel bioethanol, reducing the need to drain precious resources. the study - 'the establishment of a marine focused biorefinery for bioethanol production using seawater and a novel marine yeast strain' - has been p...



the challenges and potential rewards of transitioning to concentrated solar powe




freshwater shortages are projected to increase in our hotter and more crowded future. already, 150 countries desalinate seawater, using fossil fuels.



new nanomaterial can extract hydrogen fuel from seawater




artist's conceptualization of the hybrid nanomaterial photocatalyst that's able to generate solar energy and extract hydrogen gas from seawater. credit: university of central floridait's possible to produce hydrogen to power fuel cells by extracting the gas from seawater, but the electricity require...



new nanomaterial can extract hydrogen fuel from seawater




image: artist's conceptualization of the hybrid nanomaterial photocatalyst that's able to generate solar energy and extract hydrogen gas from seawater. view more credit: university of central floridait's possible to produce hydrogen to power fuel cells by extracting the gas from seawater, but the ...



floating solar rig produces hydrogen fuel




a floating "solar fuels rig" could one day use solar energy to split apart seawater and generate hydrogen fuel. a team of scientists recently described the design for the new rig in the international journal of hydrogen energy. a scaled-up version of their prototype could someday float out on the o...



seawater yields first grams of yellowcake: yarn-like material collects largest a




for the first time, researchers at pacific northwest national laboratory and lcw supercritical technologies have created five grams of yellowcake—a powdered form of uranium used to produce fuel for nuclear power production—using acrylic fibers to extract it from seawater.



kerala floods: psu oil companies assure fuel & lpg supplies to state




public sector oil marketing companies have come to the rescue of flood-ravaged kerala, assuring the state that there would be no letup in fuel supplies, including lpg, to help it tide over possible shortages. there are 2,020 fuel pumps in the state of which 280 have been totally submerged. as fuelli...



what three feet of seawater could mean for the world's turtles




the habitat of red-bellied short-necked turtles is expected to be affected by rising sea levels. credit: todd stailey/tennessee aquariumninety percent of the world's coastal freshwater turtle species are expected to be affected by sea level rise by 2100, according to a study from the university of c...



scientists map seawater threat to california central coast aquifers




ert data was used to make this 28-mile slice showing saltwater intrusion along the monterey bay coastline. credit: meredith goebelresearchers from stanford and the university of calgary have transformed pulses of electrical current sent 1,000 feet underground into a picture of where seawater has inf...



what three feet of seawater could mean for the world's turtles




image: the habitat of red-bellied short-necked turtles is expected to be affected by rising sea levels. view more credit: todd stailey/tennessee aquariumninety percent of the world's coastal freshwater turtle species are expected to be affected by sea level rise by 2100, according to a study from ...



stanford scientists map seawater threat to california central coast aquifers




image: stanford earth professor rosemary knight and her phd student meredith goebel. view more credit: credit: stacy geikenresearchers from stanford and the university of calgary have transformed pulses of electrical current sent 1,000 feet underground into a picture of where seawater has infiltrat...



un warns of collapse of services in gaza unless fuel gets in - telegram




gaza, palestinian territory - the u.n. says an alternative way of getting fuel to gaza must be found urgently, warning of dwindling supplies needed to run hospitals, pick up garbage, pump water and treat sewage. the appeal late sunday by the u.n. office for the coordination of humanitarian affairs c...



greenhouse gas 'feedback loop' discovered in freshwater lakes




image: this is a lake in canada's boreal shield, near sudbury, ontario, with aquatic plants in the foreground providing fuel for methane production. view more credit: andrew tanentzapa new study of chemical reactions that occur when organic matter decomposes in freshwater lakes has revealed that t...



greenhouse gas 'feedback loop' discovered in freshwater lakes




lake in canada's boreal shield, near sudbury, ontario, with aquatic plants in the foreground providing fuel for methane production. credit: andrew tanentzapa new study of chemical reactions that occur when organic matter decomposes in freshwater lakes has revealed that the debris from trees suppress...



researchers track fish migration by testing dna in seawater




a bucket of seawater contains more than meets the eye -- it's chock-full of fish dna. scientists are now putting that dna to good use to track fish migration with a new technique that involves a fraction of the effort and cost of previous methods. dna strained from samples drawn weekly from new york...



seawater yields first grams of yellowcake




image: this first gram of yellowcake was produced from uranium captured from seawater with modified yarn. chien wai and colleagues at lcw supercritical technologies produced the yellowcake, a powdered form of... view more credit: lcw supercritical technologiessequim, wash. -- for the first time, r...



rising co2 is causing trouble in freshwaters too, study suggests




predator induced defenses in daphnia longicephala (top row, credit: linda weiss) and daphnia pulex (bottom row, credit: sina becker). left shows an undefended morphotype, right shows the defended morphotype. insert shows magnification of expressed neckteeth. these morphological features render daphn...



cyprus gas company seeks fuel supplies




cyprus plans to invite expressions of interest for the supply of natural gas soon, the head of its natural gas public company said, as it moves to cut its reliance on heavy fuel oil.



research brief: freshwater ecosystems filter pollutants before they reach oceans




whether through carbon dioxide emissions or nutrient pollution from fertilizers used in agriculture, human activities have a profound impact on ecosystems--often throwing them out of balance. by adding excess nutrients to crops, some are very likely to end up in rivers, lakes and streams. but not al...



a step closer to sustainable energy from seawater




the research group led by leiden chemist marc koper has discovered a catalyst that minimizes the production of chlorine gas during salt water electrolysis. the invention can enable the direct production of hydrogen from seawater. the article has been published in the journal of the american chemical...



boring down on boron | eurekalert! science news




high-temperature desalination technologies can efficiently reduce the concentrations of a chemical element in seawater to make it an effective substitute for fresh water. research that has investigated how the element boron evaporates could help produce higher-quality drinking and irrigation water.b...



splitting water for fuel while removing co₂ from the air




enlargewalmartshare this storythe longer we wait to take serious action on climate change, the more necessary it becomes to remove some of the co2 we've already put in the air. in fact, the scenarios in the most recent intergovernmental panel on climate change report in which warming was limited ...



north american waterways are becoming saltier and more alkaline




this map shows changes in the salt content of fresh water in rivers and streams across the united states over the past half century. warmer colors indicate increasing salinity while cooler colors indicate decreasing salinity. the black dots represent the 232 us geological survey monitoring sites tha...



presstv-un warns of fuel shortage in yemeni hospitals




mohammed al-attabpress tv, sana'athe un says saudi arabia’s blockade has created a dire humanitarian situation in yemen. according to the world body, yemeni hospitals are facing a serious fuel shortage and civilians are deprived of necessary medical supplies as a result of the siege.



gulf stream at weakest point in 1600 years, global warming is making it worse




the gulf stream, also called the atlantic meridional overturning circulation (amoc), is operating at its weakest point in 1,600 years, according to new research. the deep-water circulation plays an important role in helping regulate climate around the globe; a disruption to it could have a major imp...