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Recent News and Articles on the Keywords: climate change + carbon dioxide + climate  Related to the article below (Last Update: 8/5/2008)


Citizen
New Study Reveals Australian Trees Are Giant Carbon Sponges
Voice of America - 28 minutes ago
Australian researchers believe international decision-makers should pay closer attention to the value of native forests in combating climate change. ...
IPCC 'wrong' on logging threat to climate New Scientist (subscription)
Untouched forests store 3 times more carbon -study Reuters
Trees will fight climate change: report The Age
Sydney Morning Herald - ABC Online
all 157 news articles »
Don't discount Saskatchewan's approach to fighting climate change
Globe and Mail, Canada -
The UN Intergovernmental Panel on Climate Change says carbon capture and storage technology could reduce approximately half of total global emissions by ...

BBC News
The stakes could not be higher. Everything hinges on stopping coal
guardian.co.uk, UK -
Whether we prevent runaway climate change largely depends on whether we keep using the most carbon-intensive fossil fuel. Unless we either leave it - or the ...
FEATURE-Coal's future is safe - but what about the climate? Reuters
Climate Change Protests Sky News
Environmental managers dismiss 'mad' power station People & the Planet
Sky News - guardian.co.uk
all 925 news articles »
Climate Change in Action in Greenland
TIME -
Years go by, we add more carbon dioxide to the atmosphere, temperatures rise, glaciers retreat and deserts expand. One of the essential facts about climate ...

ABC News
Antarctic Fossils Paint Picture Of Much Warmer Continent
Science Daily (press release) -
What caused the change, Marchant said, "Is really a big unknown", though theories abound and include phenomena as different as the levels of carbon dioxide ...
Lost world frozen 14m years ago found in Antarctica Telegraph.co.uk
all 179 news articles »

Scientific American
Can Coal and Clean Air Co-Exist in China?
Scientific American - Aug 4, 2008
China has a plan designed to reduce pollutants such as sulfur dioxide, linked to climate change and breathing problems, by as much as 10 percent over the ...
GLOBAL: What we are doing about climate change
IRINnews.org, NY - 36 minutes ago
It recognised that the climate system is a shared resource whose stability can be affected by industrial and other emissions of carbon dioxide and other ...
Farmers to learn about climate change
Trinidad News, Trinidad and Tobago -
STEPS are being taken to train the farming community to use climate change information to assist them to adapt to mitigate against global climate change. ...
Scientists warn forest clearing more harmful than thought
AFP -
Mackey said the findings highlighted the need for a new approach to account for carbon stored in natural forests. "To date, in climate change discussions in ...

AFP
SAfrica's ambitious climate change strategy may include carbon tax
AFP - Aug 2, 2008
... an ambitious proposal to deal with climate change in the coming years, including slapping a possible carbon tax on carbon dioxide-spewing industries. ...
Source: Google News

[CITATION] The Science of Climate Change
C Change - … the Intergovernmental Panel on Climate Change, IPCC-XI, Rome, 1995

Recent change of Arctic tundra ecosystems from a net carbon dioxide sink to a source -
WC Oechel, SJ Hastings, G Vourlitis, M Jenkins, G … - Nature, 1993 - nature.com
... and the Potential Effect of Carbon Dioxide Induced Climate ... Wigley, TML & Barnett,
TP in Climate Change: the IPCC ... & Saltus, RW in Permafrost Temperature and the ...

… response of terrestrial ecosystem structure and function to CO2 and climate change: results from six … -
W Cramer, A Bondeau, FI Woodward, IC Prentice, RA … - Global Change Biology, 2001 - Blackwell Synergy
... Wullschleger, SD 1997 The potential response of terrestrial carbon storage to changes
in climate and atmospheric CO 2 . Climatic Change, 35, 199 ...

Acceleration of global warming due to carbon-cycle feedbacks in a coupled climate model. -
PM Cox, RA Betts, CD Jones, SA Spall, IJ … - Nature, 2000 - ncbi.nlm.nih.gov
... as well as to atmospheric carbon dioxide concentrations, creating ... CO2 concentrations
from simple carbon-cycle models that do not include climate change. ...

Potential impact of climate change on world food supply -
C Rosenzweig, ML Parry - Nature, 1994 - nature.com
... A global assessment of the potential impact of climate change on world food supply
suggests that doubling of the atmospheric carbon dioxide concentration will ...

Global climate change and terrestrial net primary production -
JM Melillo, AD McGuire, DW Kicklighter, B Moore, … - Nature 363, 1993 - nature.com
... FI, Salati, E. & Sinha, SK in Climate Change: The IPCC ... Change 21, 367-384 (1992 ... Gates,
DM in Direct Effects of Increasing Carbon Dioxide on Vegetation, Report ...

[PDF] Dynamic responses of terrestrial ecosystem carbon cycling to global climate change -
M Cao, FI Woodward - Nature, 1998 - cern.ac.cn
... Houghton, JT, Callander, BA & Varney, SK (eds) Climate Change 1992. ... Recent change
of Arctic tundra ecosystems from a net carbon dioxide sink to a source. ...
-

Simulation of climate change over Europe using a nested regional-climate model. II: Comparison of … -
RG JONES, JM MURPHY, M NOGUER, AB KEEN - 1997 - ingentaconnect.com
... the equilibrium response to double carbon dioxide (CO 2 ... averaged in- creases in
temperature and moisture ... high-resolution scenarios of climate change from coarse ...

Global climate change and US agriculture -
RM Adams, C Rosenzweig, RM Peart, JT Ritchie, BA … - Nature, 1990 - nature.com
... Although the results depend on the severity of climate change and the compensating
effects of carbon dioxide on crop yields, the simulation suggests that ...

Effects of Climate Change on Plant Respiration -
MG Ryan - Ecological Applications, 1991 - JSTOR
... and respiration will. May 1991 CLIMATE CHANGE AND PLANT ... Effects of temperature on
dark respiration rate ... Growth pattern, carbon dioxide ex- change and dry weight ...

Source: Google Scholar

Climate gas could disrupt food chain

 

Levels of a climate cooling gas will change as carbon dioxide increases, affecting food webs along the way, said Dr Michael Steinke at a Science Media Centre press briefing today.

Microbes in the ocean produce the gas dimethyl sulphide, or DMS. It causes clouds to form above the sea, which reflect the sun’s rays away from the earth. Research suggests that plankton produce more DMS when they get hot so that clouds will cool them down. “Our work on the effect of carbon dioxide on DMS levels showed some interesting results” said Dr Steinke, from the University of Essex. “DMS production is likely to change in the future.”

DMS is responsible for the “seaside smell”. Dr Steinke discovered that plankton may use DMS when looking for prey like the way bees are attracted to fragrant flowers. “The role of DMS in climate change has been studied for years. Its role in marine ecology was unknown and this is what we are investigating.”

Marine animals including seals and birds use DMS to find food and navigate. “DMS plays an important role in oceanic food webs” said Dr Steinke. “If DMS levels change, many marine animals could find it more difficult to search for their prey.” This could have an effect on the food we eat.

Current discussions include using DMS in the “eco-engineering” of climate. Its cloud forming ability could be used to reduce global warming. However, Dr Steinke’s results show it may not be simple. “We have found that the production of DMS is much more complex than we thought and there will be plenty more surprises to come.”

Greenhouse gas from English streams

English chalk streams are less healthy than we thought and are potentially even contributing to global warming, said Dr Mark Trimmer at a Science Media Centre press briefing today.

Dr Trimmer looked at a plant that covers up to three quarters of the surface of some streams and found that it helps methane generated in the sediment beneath the plants to escape into the atmosphere. “We found similar emissions to some UK peat bogs” said Dr Trimmer from Queen Mary, University of London. “This changes our perception of the health of the ecosystem and it indicates another disadvantage of agriculture.”

Over 90% of the methane emissions from the river Frome in Dorset that reach the atmosphere do so via the stems of water crowfoot. The plant also causes a build-up of sediment from neighbouring farmland, which aids the production of methane by bacteria in the stream.

“Chalk streams are a British specialty habitat and a priority under the UK’s Biodiversity Action Plan. They have a high status but there is growing concern about their ecological decline.”

Dr Trimmer estimates that the total area of chalk streams in the UK is around 20 km2. The situation he observed in Dorset is likely to be widespread. More research is needed to understand methane emissions from chalk streams fully. “There is obvious climatic concern for any unquantified potential source of methane.”
 
 
 
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