Arctic climate under greenhouse conditions in the Late Cretaceous
New evidence for ice-free summers with intermittent winter sea ice in the Arctic Ocean during the Late Cretaceous a period of greenhouse
conditions - gives a glimpse of how the Arctic is likely to respond to future global warming.
Records of past environmental change in the Arctic should help ...
Forest fire prevention efforts will lessen carbon sequestration, add to greenhouse warming
CORVALLIS, Ore. Widely sought efforts to reduce fuels that increase catastrophic fire in Pacific Northwest forests will be counterproductive to another important societal goal of sequestering carbon to help offset global warming, forestry researchers at Oregon State University conclude in a new r...
Pacific Northwest forests could store more carbon, help address greenhouse issues
CORVALLIS, Ore. The forests of the Pacific Northwest hold significant potential to increase carbon storage and help mitigate greenhouse
gas emissions in coming years, a recent study concludes, if they are managed primarily for that purpose through timber harvest reductions and increased rotation ...
Fish oils reduce greenhouse gas emissions from flatulent cows
The benefits to animals of omega 3 fatty acids in fish oils have been well documented helping the heart and circulatory system, improving meat quality and reducing methane emissions.
These last two benefits may only apply to cows but lowering emissions is important for the environment, as meth...
New greenhouse gas identified
CAMBRIDGE, Mass.--A gas used for fumigation has the potential to contribute significantly to future greenhouse
warming, but because its production has not yet reached high levels there is still time to nip this potential contributor in the bud, according to an international team of researchers.
Termite killer lingers as a potent greenhouse gas
Sulfuryl fluoride (SO 2 F 2 ), a gas commonly used to rid buildings of termites and other pests, is a greenhouse
gas that remains in the atmosphere about 36 years, six to 10 times longer than previously thought, according to a research team led by Jens Mhle, an atmospheric chemist at Scripps Insti...
Detecting disease in greenhouse plants
EDINBURG, TXGreenhouses are an integral part of U.S. agriculture. Nearly $200 million of food is produced in domestic greenhouses each year, and the facilities play a vital role in producing seeds and transplantable vegetation. Understanding how to keep greenhouse
plants healthy can translate to i...
Termite insecticide a potent greenhouse gas
Irvine, Calif., Jan. 21, 2009 An insecticide used to fumigate termite-infested buildings is a strong greenhouse
gas that lives in the atmosphere nearly 10 times longer than previously thought, UC Irvine research has found.
Sulfuryl fluoride, UCI chemists discovered, stays in the atmosphere at ...
Oil spray reduces greenhouse gas emissions from pig finishing barns
MADISON, WI, DECEMBER 8, 2008 Animal feeding operations are an important emission source of air pollutants including methane and carbon dioxideknown greenhouse
gases. Recent inventories suggest that animal manure makes a significant contribution to global methane emissions. As a consequence, green...
MIT analysis shows how cap-and-trade plans can cut greenhouse emissions
CAMBRIDGE, Mass. -- Researchers at MIT's Center for Energy and Environmental Policy Research have produced a report concerning key design issues of proposed "cap-and-trade" programs that are under consideration in the United States as a way of curbing greenhouse
gas emissions. The first contributi...
Potent greenhouse gas more prevalent in atmosphere than previously assumed
A powerful greenhouse
gas is at least four times more prevalent in the atmosphere than previously estimated, according to a team of researchers at Scripps Institution of Oceanography at UC San Diego.
Using new analytical techniques, a team led by Scripps geochemistry professor Ray Weiss made t...
Carbon dioxide 'scrubber' captures greenhouse gases
University of Calgary climate change scientist David Keith and his team are working to efficiently capture the greenhouse
gas carbon dioxide directly from the air, using near-commercial technology.
In research conducted at the U of C, Keith and a team of researchers showed it is possible to red...
Action needed now for Minnesota to reach goals in reducing greenhouse gas emissions by 2015
The state of Minnesota must act now if it wants to reach its Minnesota Next Generation Energy Act goals of reducing greenhouse
gas emissions by 15 percent by 2015, according to a team of University of Minnesota transportation and public policy researchers.
The research team, which will release ...
'Smart' greenhouse research partnership unveiled
Cleveland, Ohio (April 30, 2008) Cleveland Botanical Garden and Kent State Universitys Liquid Crystal Institute today officially launched a pioneering research project to explore the potential of liquid crystal technology for creating more sustainable, energy-efficient greenhouses.
At an ev...
'Revolutionary' CO2 maps zoom in on greenhouse gas sources
WEST LAFAYETTE, Ind. - A new, high-resolution, interactive map of U.S. carbon dioxide emissions from fossil fuels has found that the emissions aren't all where we thought.
"For example, we've been attributing too many emissions to the northeastern United States, and it's looking like the southe...
New formula for combating the greenhouse gas nitrous oxide
This release is available in German .
Halle/S. The cost of treating wastewater contaminated with nitrogen could be lowered in future. Soil scientists at the Helmholtz Centre for Environmental Research (UFZ) have developed a new mathematical model which can help determine the optimum c...
Voyage to Southern Ocean aims to study air-sea fluxes of greenhouse gases
Scientists will embark this week from Punta Arenas, Chile, on the tip of South America, to spend 42 days amid the high winds and waves of the Southern Ocean. Here they hope to make groundbreaking measurements to explain how huge fluxes of climate-affecting gases move between atmosphere and sea, an...
UC San Diego begins trading greenhouse gas credits on Chicago Climate Exchange
The University of California, San Diego has become the first campus on the West Coast to join the Chicago Climate Exchange (CCX), North Americas only voluntary, legally binding trading system to reduce emissions of greenhouse
gases. UC San Diego is only the seventh university in the nation to join...
A link between greenhouse gases and the evolution of C4 grasses
How a changing climate can affect ecosystems is an important and timely question, especially considering the recent global rise in greenhouse
gases. Now, in an article published online on December 20th in the journal Current Biology, evolutionary biologists provide strong evidence that changes in ...
'Hellish' hot springs yield greenhouse gas-eating bug
A new species of bacteria discovered living in one of the most extreme environments on Earth could yield a tool in the fight against global warming.
In a paper published today in the prestigious science journal Nature, U of C biology professor Peter Dunfield and colleagues describe the methane-e...
Biodiesel could reduce greenhouse gas emissions
Biodiesel can be manufactured from any product containing fatty acids, such as vegetable oil or animal fats.
The report, The greenhouse
and air quality emissions of biodiesel blends in Australia assesses the emission levels and environmental impacts of biodiesel produced from sources including ...
Economical, nonpolluting solutions to greenhouse growing found
ATHENS, GREECE -- A recent study of an ancient growing medium has implications for advancing growth and yield of greenhouse
crops grown in soilless conditions.
Greek research scientists Dr. George Gizas and Dr. Dimitrios Savvas recently conducted trials of four grades of pumice to determine the...
RIT to study air pollution and greenhouse gas emissions in the Great Lakes region
Reducing pollution and greenhouse
gas emissions in the Great Lakes region due to freight transportation requires a little creativity and a serious look at sustainabilityways of protecting the environment without slowing the economy.
A team of professors at Rochester Institute of Technology rec...
A greenhouse in order to study the impact of climate change on plants
The University of Navarra has installed a thermal gradient greenhouse
in order to study the impact of climate change on plants. This is a pioneering methodology for studying the simultaneous effect of increased CO2 and ambient temperature. The research project, which will be undertaken by research...
Planting carbon deep in the earth -- rather than the greenhouse
STORING carbon dioxide deep below the earths surface could be a safe, long-term solution to one of the planets major contributors to climate change.
University of Leeds research shows that porous sandstone, drained of oil by the energy giants, could provide a safe reservoir for carbon dioxide. ...
Dirty snow may warm Arctic as much as greenhouse gases
The global warming debate has focused on carbon dioxide emissions, but scientists at UC Irvine have determined that a lesser-known mechanism -- dirty snow -- can explain one-third or more of the Arctic warming primarily attributed to greenhouse
Snow becomes dirty when soot from tailpipes,...
Siberian lakes burp 'time-bomb' greenhouse gas
Frozen bubbles in Siberian lakes are releasing methane, a greenhouse
gas, at rates that appear to be "... five times higher than previously estimated" and acting as a positive feedback to climate warming, said Katey Walter, in a paper published today in the journal Nature.
Walter's project is the...
Plutonium or greenhouse gases? Weighing the energy options
Can nuclear energy save us from global warming? Perhaps, but the tradeoffs involved are sobering: thousands of metric tons of nuclear waste generated each year and a greatly increased risk of nuclear weapons proliferation or diversion of nuclear material into terrorists' hands.
So concludes Univ...
Asleep in the deep: Model helps assess ocean-injection strategy for combating greenhouse effect
In searching for ways to counteract the greenhouse
effect, some scientists have proposed capturing the culprit---carbon dioxide---as it is emitted from power plants, then liquefying the gas and injecting it into the ocean. But there are pitfalls in that plan.
The carbon dioxide can rise toward t...
New research indicates a 'troubled' greenhouse is brewing
Climates like those of the movie "Monsoon Wedding" may extend more widely into Africa, North America and South America, according to a University of Oregon geologist's analysis of an ancient greenhouse
"We know the gathering greenhouse
will be warm, but this new information confirms that t...
AGU journal highlights -- Aug. 6, 2009
... simulations show that ozone depletion, combined with increased atmospheric greenhouse
gas concentration, drives stronger winds above the Southern Ocean. These st...ng potential about 20 times as large as carbon dioxide, methane is a strong greenhouse
gas, as is nitrous oxide, which has about 300 times carbon dioxide's warmin...
University of Hawaii at Manoa researchers reveal ocean acidification at Station ALOHA
... The burning of fossil fuels has released tremendous amounts of the greenhouse
gas carbon dioxide (CO 2 ) into the atmosphere, significantly impacting global climate. Were it not for the absorption of CO 2 by the oceans, the ala...
Plankton Power and RTDC announce proposed algae-to-biofuels pilot facility on Cape Cod
...itical new, renewable source of energy that will create local jobs in algae farming and downstream industries, advance energy independence, and reduce greenhouse
The algae farm facility's location near MBL and WHOI will provide Plankton's team access to the exceptional scientific expertis...
August 2009 Geology and GSA Today media highlights
...h's orbit are minuscule. It is only with large perturbations to atmospheric greenhouse
gas concentrations that observed sea-level changes are simulated. Current geological evidence does not support such drastic greenhouse
gas fluctuations, leaving the driving factors of dynamic late Paleozoic cli...
Family planning a major environmental impact
...g-term benefit have one less child.
A study by statisticians at Oregon State University concluded that in the United States, the carbon legacy and greenhouse
gas impact of an extra child is almost 20 times more important than some of the other environmentally sensitive practices people might employ their en...
Iron isotopes as a tool in oceanography
...d for the growth of phytoplankton. These tiny, plant-like organisms sit at the base of the marine food chain and collectively draw vast amounts of the greenhouse
gas carbon dioxide down from the atmosphere through the process of photosynthesis.
A proportion of the carbon is exported to the deep ocean, maki...
Researchers team up to provide new hope for childhood hunger
...roughout the world.
Identify and improve two additional staple crops that will enhance human health in Africa, demonstrating the improvement in the greenhouse
and during in-country studies.
Test and validate improved cassava varieties in Nigeria and Kenya in limited, controlled trials.
Long Term G...
DOE-funded research projects win 46 R&D 100 Awards for 2009
...ory and Space Instrumentation Systems developed this technology.
SIMTECHE Carbon Dioxide Capture Process This process captures and compresses the greenhouse
gas carbon dioxide emitted by fossil fuel power plants and other industrial operations. The process is less energy and capital intensive than the tec...
Early initiation of Arctic sea-ice formation
...ted glaciers at the time.
Furthermore, their data indicate that sea ice formed in the Arctic before it did in Antarctica. Atmospheric levels of the greenhouse
gas carbon dioxide were declining in the middle Eocene, one of the reasons postulated in causing the Earth to cool. However, the new findings imply t...
Methane-eating microbes can use iron and manganese oxides to 'breathe'
... form carbonates that precipitate and sequester carbon in the oceans. Even if the carbon dioxide escaped into the atmosphere, it is a less problematic greenhouse
gas than methane.
On the early Earth, where oxygen was absent from the atmosphere, sulfates were scarce. Without sulfates, iron and manganese oxid...