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Tag: carbon dioxide
Enhanced levels of carbon dioxide are likely cause of global dryland greening, study says
2016-02-16 23:02:00| Climate Ark Climate Change & Global Warming Newsfeed
ScienceDaily: Enhanced levels of atmospheric carbon dioxide are a likely key driver of global dryland greening, according to a paper published in the journal Scientific Reports. The positive trend in vegetation greenness has been observed through satellite images, but the reasons for it had been unclear. After analyzing 45 studies from eight countries, Lixin Wang, assistant professor of earth sciences in the School of Science at Indiana University-Purdue University Indianapolis, and a Ph.D. student in Wang's...
Tags: study
global
levels
says
Removing carbon dioxide from the atmosphere
2016-02-15 19:02:00| Climate Ark Climate Change & Global Warming Newsfeed
ScienceDaily: You may as well learn the expression "carbon-negative technology," or Bio-CCS, right away, because it has become a talking point in technological circles. Gemini explains why. There exists a method, or technology, that is capable of reducing the level of carbon dioxide in the atmosphere. "In practice, the methods consists of capturing carbon dioxide emitted by "climate-neutral" processes such as the combustion of organic waste, pellets or sawdust," explains SINTEF research scientist Mario Ditaranto,...
Tags: atmosphere
carbon
removing
dioxide
Rising carbon dioxide emissions pose 'intoxication' threat to world's ocean fish
2016-01-20 11:22:00| Climate Ark Climate Change & Global Warming Newsfeed
PhysOrg: "Our results were staggering and have massive implications for global fisheries and marine ecosystems across the planet," says lead author, Dr Ben McNeil, of the UNSW Climate Change Research Centre. "High concentrations of carbon dioxide cause fish to become intoxicated-a phenomenon known as hypercapnia. Essentially, the fish become lost at sea. The carbon dioxide affects their brains and they lose their sense of direction and ability to find their way home. They don't even know where their predators...
Tags: fish
ocean
rising
carbon
Increased carbon dioxide enhances plankton growth
2016-01-17 18:01:00| Climate Ark Climate Change & Global Warming Newsfeed
ScienceDaily: Coccolithophores -- tiny calcifying plants that are part of the foundation of the marine food web -- have been increasing in relative abundance in the North Atlantic over the last 45 years, as carbon input into ocean waters has increased. Their relative abundance has increased 10 times, or by an order of magnitude, during this sampling period. This finding was diametrically opposed to what scientists had expected since coccolithophores make their plates out of calcium carbonate, which is becoming...
Tags: increased
growth
carbon
enhances
Giant icebergs play key role in removing carbon dioxide from atmosphere
2016-01-11 22:02:00| Climate Ark Climate Change & Global Warming Newsfeed
ScienceDaily: Pioneering research from the University of Sheffield's Department of Geography discovered melting water from giant icebergs, which contains iron and other nutrients, supports hitherto unexpectedly high levels of phytoplankton growth. This activity, known as carbon sequestration, contributes to the long-term storage of atmospheric carbon dioxide, therefore helping to slow global warming. During the study, which is the first of its kind on this scale, a team of scientists led by Professor Grant...
Tags: key
play
role
atmosphere
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