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7th January 2012 Carbon
Counting
Global carbon dioxide concentrations rose by just over 2ppm in 2011,
while global temperatures were around 0.5 degrees C higher than
the 1951-1980 global average.
21st November 2011 Stepping
Up
Global concentrations of carbon dioxide rose a further 2.3 parts
per million in 2010, reaching 389 ppm. Concentrations of methane
and nitrous oxide also rose further.
26th October 2011 Forest
Management
Tara Hudiburg and colleagues at Oregon State University have calculated
the emissions impact of forest management in the USA, showing local
forest conditions are key to net fluxes.
28th August 2011 Sink
Overflow
Emma Sayer and colleagues at CEH, UK, have reported that increased
litterfall in tropical forests may enhance net carbon losses to
the atmosphere rather than reduce them.
18th July 2011 Town
and Country
Zoe Davies and colleagues at the University of Kent, UK, have quantified
the importance of urban vegetation as a carbon store. They estimate
a stock of more than 3kg C per square metre.
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