Tag: "greenhouse" at biology news
Researchers tie worldwide biodiversity threats to growth in households
...rns as more energy consumption and release of more greenhouse
gases. Even in regions where population size decreased, such as in New Zealand, the number of households increased substantially because of a reduction in household size. In China's Wolong, a reduced average household size was tied directly to an inc...
Sex, flounder and donuts
...Southern flounder do better in the warm, protected greenhouse
environment. There are no Southern flounder-farming operations that rear fish from egg to market-size anywhere in the U.S. Japan leads the way in technology for producing farm-reared flounder. They are rewarded with a market price that more than dou...
Nitrogen may increase Bt levels in corn
...xperiment. These hybrids were grown in pots in the greenhouse
and two plantings were made. A common fertilizer used to grow corn, ammonium nitrate, was blended into the potting mixture prior to planting. Rates of fertilizer used in the experiment represented zero, low, normal, and high amounts of nitrogen used ...
Tropical deforestation and global warming
...ains serious flaws rendering its conclusions about greenhouse
gases unreliable. The article in question ("Determ...sserted that only about 0.6 to 1.0 billion tons of greenhouse
gases (most carbon dioxide and carbon monoxide) were being produced by the razing and felling of tro...
A global 'catastrophe' -- coal fires threaten environment, human health
...ies. In the process, they release large volumes of greenhouse
and noxious gases and soot particles into the atmo... according to the panelists. "One way to deal with greenhouse
emissions limits may be to stop coal fires," said Paul van Dijk of the International Institute for G...
Bugs from the deep may be window into the origins of life -- on earth and beyond
...rize, producing large volumes of methane, a potent greenhouse
gas. Scientists have proposed that methane hydrates may have had a hand in past climate change episodes, or may be a possible fuel source. Frederick Colwell of the Idaho National Engineering and Environmental Laboratory has identified some of the mi...
Early Mars: Warm enough to melt water?
...n the Martian landscape." Kasting believes that a greenhouse
effect warmed the planet. However, he has calculated that a carbon dioxide and water greenhouse
would not have warmed the planet above the freezing point of water. On Mars, before enough carbon d...
DuPont science leader discusses 'Sustainability and Integrated Science for the 21st Century'
...rcent in 2002. To reduce global carbon-equivalent greenhouse
gas emissions by 65 percent, using 1990 as a base ...ary cap-and-trade program for reducing and trading greenhouse
gas emissions. Members of the Chicago Climate Exchange have made a commitment to reduce their emiss...
Computer models forecast sharp increase in temperature if heat-trapping emissions continue to rise
...s usualif we dont do anything to curb emissions of greenhouse
gasses, said Warren M. Washington, senior research...e 1000 years that preceded the growing presence of greenhouse
gasses in the atmosphere. The greatest warming takes place in the winter hemisphere, and is strongly...
Can carbon sequestration solve global warming?
... routine, however, until steps are taken to reduce greenhouse
gas emissions, according to Howard Herzog, principal research engineer at Massachusetts Institute of Technology Laboratory for Energy and the Environment. "Unless the economic incentives are in place, the technology is not going to go anywhere," sa...
MIT study: Hydrogen car no environmental panacea
...n electric motor) in terms of total energy use and greenhouse
gas emissions by 2020, says a study recently relea... compressed hydrogen available. If we need to curb greenhouse
gases within the next 20 years, improving mainstream gasoline and diesel engines and transmissions a...
Science Picks--Leads, Feeds and Story Seeds (April 2003)
...ty of such a solution. Because carbon dioxide is a greenhouse
gas and has been implicated in trapping the Sun's heat in the Earth's atmosphere, industry and government are working closely to find ways to reduce the amount of carbon dioxide released into the atmosphere. (A.B. Wade, 703-648-4460, email@example.com...
50 Arctic lakes show dramatic effects of climate warming
... Dr. Rhland. "We believe that the consequences of greenhouse
gas emissions, in the form of climate change, are already having a notable impact on the Arctic environment." As well as affecting plant and animal life in this region, melting permafrost and less ice cover are already beginning to have repercussions...
Greenhouse gas might green up the desert
...d 7 billion tons of carbon dioxide (CO2), the main greenhouse
gas charged with global warming. Every year, indu...tical since the rise in the concentrations of this greenhouse
gas is suspected of driving global warming and its resulting climate changes. Tracking down carbon d...
Engineering a solution to waste crisis
...educes emissions of methane the highly aggressive greenhouse
gas produced by landfill disposal; and fourthly, it will help save peat beds which are threatened because of their use as a fertiliser." The composting project is one of many across several disciplines at Cardiff University dealing with the crisis o...
ESA providing Kyoto estimates of French Guianas tropical forests
...ance is required to measure and reduce its overall greenhouse
gas emissions. But France is also the only such co...s a significant source of anthropogenic (man-made) greenhouse
gas emissions. Ninety percent of French Guiana, or approximately 80 000 sq km, is covered with tropi...
Plant diversity threatened by climate change and buildup of greenhouse gas, study reveals
...n caused by the continual buildup of CO2 and other greenhouse
gases in the atmosphere. Writing in the June 16 edition of PNAS Online, researchers found that exposing open grasslands to large doses of CO2 gas for three years caused a nearly 20 percent reduction in wildflower species and an eight percent decline ...
Giant bloom fades, science continues
...estimated that about a thousand people visited the greenhouse
on Tuesday, June 10, with hundreds more on Wednesday and Thursday. The flower produced wafts of its distinctive roadkill scent throughout, but was at its most pungent in the first few hours of blooming. Monday night's blooming, which was earlier than...
Connecticut chemist receives award for cleaner air technology
...eveloping technologies that reduce the emission of greenhouse
gases. He received one of two 2003 Industrial Innovation Awards at the American Chemical Society's Northeast regional meeting in Saratoga Springs, N.Y. Nicknamed the "father of catalytic combustion," Pfefferle invented the original catalytic combusto...
ACS announces awards for environmentally conscious business innovation
...ng transportation costs and reducing the amount of greenhouse
gases emitted due to fewer trips. EcoWorx™ is made from a major category of plastic (polyolefin) that is part of other common productslike milk bottles and other plastic food containers. AgraQuest, Inc. (Davis, Calif.) The firm has developed...
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