K-Staters design and build a low-cost remote sensing tool for environmental studies
... weather variations, impact the movement of carbon dioxide between the surface and the atmosphere," Ham said.... cultures and nations. By that, I mean that carbon dioxide emitted in China, for example, can impact the vegetation in North America or Europe and vice versa. ...... investigation. Most exchange of oxygen and carbon dioxide between the body and the environment occurs in the alveoli. Approximately 95% of the alveolar surface is covered by alveolar type I cells, with the remainder made up of type II cells. Type II cells and their role in surfactant secretion have been st...UCSD study reveals how plants respond to elevated carbon dioxide
... the mechanism plants use to regulate their carbon dioxide intake. The study, published in the May 1 early o...Academy of Sciences, shows how the level of carbon dioxide in the atmosphere controls the opening and closing of leaf stomata--pores through which plants "brea...Plants' role in global warming re-examined in ORNL Science paper
... otherwise be released to the atmosphere as carbon dioxide and could further influence future climate change,... scale, plants release about 60 gigatons of carbon dioxide to the atmosphere each year as they carry out their life functions. Other authors of the Perspective...Carbon cycle was already disrupted millions of years ago
...n floor or peats and bogs. The atmospheric carbon dioxide concentration is increasing as a consequence of the large-scale use of fossil fuels in the industrial era. This has apparently brought about a stronger relative increase in the light carbon isotope 12C. Due to this the ratio of the stable carbon isot...Developing nations may save the tropical forest
...store, thereby slowing the rapid buildup of carbon dioxide and other greenhouse gases in the atmosphere." The accelerating rise of greenhouse gases in the atmosphere is considered a key cause of global warming. According to the International Panel on Climate Change, the destruction of tropical forests--cu...Hold your breath; Plants may absorb less carbon dioxide than we thought
... as great a share of the rising atmospheric carbon dioxide as some models have predicted, according to a new ...ns on the ability of plants to absorb extra carbon dioxide (CO2). Given that a large proportion of the world's soils are nitrogen-limited, the study implies t...Global warming capable of sparking mass species extinctions
...hange and that means we have got to reduce carbon dioxide emissions." Areas particularly vulnerable to climate change include the tropical Andes, the Cape Floristic region of South Africa, Southwest Australia, and the Atlantic forests of Brazil, Paraguay and Argentina. These areas are particularly vulnerabl...Nature can help reduce greenhouse gas, but only to a point
...order for soils to lock away more carbon as carbon dioxide rises, there has to be quite a bit of extra nitrog...soils, and some researchers expected rising carbon dioxide to speed up this natural nitrogen pump, providing the nitrogen needed to store soil carbon. However,...Plants used to detect gas leaks, from outer space!
...tem. One such application may be to detect carbon dioxide leaking from underground stores used in proposed carbon capture and storage schemes. These stores are intended to help to prevent global warming: the argument is that if CO2 is sequestered indefinitely in underground reservoirs then it can't be acti...Prenatal nicotine exposure reduces breathing response of newborns...
...bility to respond to low oxygen and/or high carbon dioxide diminishes the ability of the infant to reinitiate breathing and break the apnea. If the apnea becomes prolonged, the oxygen levels in the blood will drop dramatically leading to cardiovascular arrest and death." Study used pump implant to simulate...Ocean acidification threatens cold-water coral ecosystems
... say that increasing amounts of atmospheric carbon dioxide (CO2), driven by the burning of fossil fuels, are dissolving into the oceans, causing them to become slightly more acidic. This change in seawater chemistry could harm deep-sea calcifying animals like corals. Cold-water corals that make their skeleto...Highlights of American Chemical Society meeting in Atlanta, March 26-30
...aviolet light reacts with desert soils or titanium dioxide (a common ingredient in sand). The finding may account for a portion of the natural perchlorate occurring throughout the desert southwest, the scientists say. ( AGRO 78 , Wednesday, March 29, 1:30 p.m., Georgia World Congress Center, Room C103, durin...Glimpse to past adds weight to global warming forecasts
...e around the warming is man-made, caused by carbon dioxide emissions, but the effects on Arctic sea ice, permafrost, and icefields are forecast to be similar." Marshall's role in the study was in the area of ice sheet modelling and the implications for rising sea levels. As a result of his work, the ice she......rth's atmosphere was mostly carbon dioxide, sulfur dioxide and nitrogen; only about one-tenth of 1 percent wa...do oxygenic photosynthesis using sunlight, carbon dioxide and water to produce sugar and other carbohydrates, and giving off oxygen as a byproduct. Thanks to ...Prestigious European prize for NIOZ researcher
...haea are taking up inorganic carbon such as carbon dioxide and can therefore be considered as autotrophic organisms, just like algae in the sunlit surface waters. These new insights were mainly obtained during the scientific maritime expeditions TRANSAT, BADE and ARCHIMEDES led by G.J. Herndl with the NIOZ r...Greenhouse theory smashed by biggest stone
...o with burning fossil fuels and atmospheric carbon dioxide levels. According to Vladimir Shaidurov of the Rus...hat are not connected to human emissions of carbon dioxide from the burning of natural gas and oil. Shaidurov explained how changes in the amount of ice crysta...Woods Hole Research Center scientist furthering discussion of soil carbon decomposition
...rganic matter, thus releasing heat-trapping carbon dioxide gas to the atmosphere, possibly causing the rate of global warming to increase further. Disagreement exists, however, regarding the effects of climate change on global soil carbon stocks. Eric Davidson, a senior scientist at the Woods Hole Research ...Reining in carbon dioxide levels imperative but possible
...versity Implementing a plan to keep rising carbon dioxide levels from reaching potentially dangerous levels ...in the release of nearly 25 billion tons of carbon dioxide into the atmosphere. Residents of the U.S., however, use 11 kW per person, 85 percent of which comes...Chemists report progress in quest to use hydrogen as fuel for cars and electronic devices
...shown that MOFs store prodigious amounts of carbon dioxide at ambient conditions, a development relevant to preventing carbon dioxide emissions from power plants and automobile tailpipes from reaching the atmosphere....