Tag: "greenhouse" at biology news

Arctic ozone depletion linked to longevity of polar stratospheric clouds, according to studies

...arly spring after reacting with sunlight. The greenhouse effect, which warms Earth near its surface, may ironically be cooling the stratosphere enough to cause these clouds to form earlier and persist longer, said Toon. Greenhouse gases may be radiating energy and heat away from the upper stratosphere, cr...

Stanford study supports novel rainforest protection plan

...d nations to reduce carbon dioxide (CO2) and other greenhouse gas emissions from power plants, factories and gas...to crops and property worldwide. In 1996, global greenhouse gas emissions reached a new high of about 24 billion tons - nearly four times the 1950 level, accord...

Protracted cooling could camouflage effects of global warming

...es contributing to and sometimes counteracting the greenhouse effect. "This means there is a very good chance that the present warming will turn around and we will again experience a protracted period of cooling," Schlesinger said. "If we do see that, we should not conclude that the human effect on climate is ...

INEEL creates a method to link energy use, greenhouse gases

...ep to understanding how to mitigate the effects of greenhouse gases on our environment, engineers have created a...the numbers on an energy bill to the production of greenhouse gases. Systems engineer David Shropshire's research into more accurately assessing the different, ...

150-year global ice record reveals major warming trend

..." and the results do not offer specific proof that greenhouse gases are driving the warming trend. However, the ...ave been developed to estimate climate change from greenhouse gases over a 125-year time period, he says. The findings also correspond to an air temperature incre...

Warming trend seen in late freeze, early thaw of northern waterways, say Science researchers

...istent with a scenario of global warming caused by greenhouse gases, according to the authors, but could be rela...s can play some role in sorting out the effects of greenhouse warming as well," said Magnuson. Magnuson and colleagues hope to expand on this part of their an...

New IIASA research challenges Kyoto Protocol

... Earth Summit in Rio in 1992 as the way to control greenhouse gases and curb global warming. The Kyoto Protocol...e 1990 level between the years 2008 and 2012 - in greenhouse gases that are caused in large part by the use of fossil fuels and destruction of vegetation. Since...

Turning down the Sun

... of control, some argue, incremental reductions in greenhouse gas emissions won't be nearly enough. Instead we'll need something that has an immediate dramatic impact. And geoengineering could supply just that. If we don't change our current habits, in fifty years' time the amount of CO2 in the Earth's atmosp...

October Geology and GSA Today highlights

...lained by a series of catastrophic releases of the greenhouse gas methane from the seabed, which perturbed the g...understanding the long-term fate of human input of greenhouse gases. According to these findings, it would take about 170,000 years for carbon dioxide, at its cur...

November GEOLOGY and GSA TODAY highlights

...the displaced oil gone? High concentrations of greenhouse gases and polar stratospheric clouds: A possible solution to high-latitude faunal migration at the latest Paleocene thermal maximum. Robert B. Peters and Lisa Cirbus Sloan This paper documents a climate modeling study that investigates the role of ...

LabNotes -- Research highlights from Pacific Northwest National Laboratory

...rganisms that often feed on live plant roots. In greenhouse lab tests, this biocontrol agent reduced nematode infection in tomatoes and cucumbers by more than 61 percent. Through the Department of Energys Initiatives for Proliferation Prevention, PNNL verified Vectors research results then connected Vec...

Destroying coral reefs

...ated $400 billion a year. A call for action to cut greenhouse emissions was unanimously supported by scientists at the meeting. "These results must be used immediately to make sure the Climate Change Convention is implemented properly," says Sue Wells of the World Conservation Union....

Population and climate change

...e book examines the role of demographic factors in greenhouse gas emissions and asks how population trends affect the ability of societies and institutions to respond to the potential impacts of climate change. Based on this review, it considers whether climate change strengthens the case for population polici...

Impurities in biominerals reveal key to understanding climate change, will lead to novel materials

...rbon dioxide (CO2) from the atmosphere, which is a greenhouse gas thought to cause global warming. Magnesium is the principal impurity in seawater that interferes with the growth of the calcium carbonate minerals so critical to the survival of many organisms. However, the actual mechanism by which magnesium a...

Changes in North American land use have had major impact on global environment

... an important role in reducing the accumulation of greenhouse gasses in the atmosphere, according to Princeton s...cline could be important in making plans to reduce greenhouse emissions. Negotiators from around the world are due to meet in The Hague this month in a push to r...

IIASA releases scientific study linking population growth to climate change

... more slowly growing population would produce less greenhouse gas emissions and would be more resilient to climate stresses on agriculture, human health, and migration. Although climate change policy makers have prioritized policies in energy efficiency and other technological fields, they have overlooked popul...

Unprecedented fire season in southern Africa aids air quality, climate change research

...g," says Hobbs. "Such aerosols may well add to the greenhouse warming effect, particularly in the mid-tropospher...roposphere where ozones badness is its effect as a greenhouse gas," says Thompson. New air quality data collected during the campaign will also help governme...

2000 FALL MEETING: updated press conferences, press registration, and other information

...g the next century, but various factors, including greenhouse gas changes, and temperature may complicate and even prevent it. The joint SAGE III Ozone Loss and Validation Experiment (SOLVE) and Third European Stratospheric Experiment on Ozone (THESEO 2000) obtained comprehensive measurements showing the behavi...

Voyage of the space veggies

...ed caves or greenhouses. One idea is an inflatable greenhouse that could be maintained at a slightly elevated pr...e cooped up, as evidenced by the popularity of the greenhouse at the South Pole research station. So don't worry about those lonely space travellers. They'll alwa...

Scientists track phosphate to better understand global warming

...through photosynthesis remove carbon dioxide - the greenhouse gas most responsible for global warming - from the...7 treaty drafted by more than 170 countries to cut greenhouse gases. A major reason: persistent disagreement over the role of trees and managed farmland as "sinks...

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