Ammonites are a group of extinct cephalopod mollusks with ribbed spiral shells They are exceptionally diverse and well known to fossil lovers Régis Chirat researcher at the Laboratoire de Géologie de Lyon Terre Planètes et ... - Read More
Sea ice surrounding Antarctica reached a new record high extent this year covering more of the southern oceans than it has since scientists began a long term satellite record to map sea ice extent in ... - Read More
The natural photo degradation of diazepam valium and similar medicines followed by bacterial breakdown may reduce their potentially harmful impact on the UK's freshwater environment a team of researchers has said Diazepam used to treat ... - Read More
Pollution is being removed more slowly from the atmosphere in the northern hemisphere than previously assumed An international research team that includes researchers from Wageningen University established that the atmospheric cleaning agent hydroxyl OH is ... - Read More
Two Northeastern University researchers and their international colleagues have created an advanced model aimed at exploring the role of neutral evolution in the biogeographic distribution of ocean microbes Their findings were published Thursday in the ... - Read More
The increasing acidification of ocean waters caused by rising atmospheric carbon dioxide levels could rob sharks of their ability to sense the smell of food a new study suggests Elevated carbon dioxide levels impaired the ... - Read More
The amount of greenhouse gases in the atmosphere reached a new record high in 2013 propelled by a surge in levels of carbon dioxide This is according to the World Meteorological Organization's annual Greenhouse Gas ... - Read More
Geologists from Trinity College Dublin have rewritten the evolutionary history books by finding that oxygen producing life forms were present on Earth some 3 billion years ago a full 60 million years earlier than previously ... - Read More
Released 28 Aug 2014 10 00 AM EDTSource Newsroom University of Arkansas at Little Rock more news from this source Expert Available Contact Information Available for logged in reporters only Citations Energy and Emissions Control ... - Read More
The oxygen rich surface waters of the world's major oceans are supersaturated with methane a powerful greenhouse gas that is roughly 20 times more potent than carbon dioxide yet little is known about the source ... - Read More
NASA successfully launched its first spacecraft dedicated to studying atmospheric carbon dioxide at 2 56 a m PDT 5 56 a m EDT Tuesday July 1 2014 The Orbiting Carbon Observatory 2 OCO 2 raced ... - Read More
Sharks were a tolerant bunch some 50 million years ago cruising an Arctic Ocean that contained about the same percentage of freshwater as Louisiana's Lake Ponchatrain does today says a new study involving the University ... - Read More
Water splitting is one of the critical reactions that sustain life on earth and could be a key to the creation of future fuels It is a key in the process of photosynthesis through which ... - Read More
For decades climate scientists have tried to explain why ice age cycles became longer and more intense about 900 000 years ago switching from 41 000 year cycles to 100 000 year cycles In a ... - Read More
Released 6 25 2014 12 00 PM EDTEmbargo expired 6 29 2014 1 00 PM EDTSource Newsroom University of California San Diego Health Sciences more news from this source Contact Information Available for logged in ... - Read More
Understanding how clouds affect the climate has been a difficult proposition What controls the makeup of the low clouds that cool the atmosphere or the high ones that trap heat underneath How does human activity ... - Read More
Some 56 million years ago a massive pulse of carbon dioxide into the atmosphere sent global temperatures soaring In the oceans carbonate sediments dissolved some organisms went extinct and others evolved Scientists have long suspected ... - Read More
Forget about positioning giant mirrors in space to reduce the amount of sunlight being trapped in Earth's atmosphere or seeding clouds to reduce the amount of light entering earth's atmosphere Those approaches to climate engineering ... - Read More
The paleoclimate record for the last ice age a time 21 000 years ago called the Last Glacial Maximum LGM tells of a cold Earth whose northern continents were covered by vast ice sheets Chemical ... - Read More
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