21st November 2011 Hot
A UN report has highlighted the growth in emissions of HFCs, warning
that their climate forcing impact may be as large as that for greenhouse
gas emissions from transport by 2050.
30th June 2009 Aerosol
Gunnar Myhre of the Center for International Climate and Environmental
Research in Oslo has found the cooling effect of aerosols in the
atmosphere to be much less than previously thought.
13th July 2008 Ghost
Michael Prather, of the University of California, has warned of
the rising emissions of the powerful greenhouse gas nitrogen trifluoride.
The gas is used in manufacturing semiconductors.
17th September 2007 Cloud
Veerabhadran Ramanathan and colleagues at the Scripps Institute
in California have found that the brown clouds arising from air
pollution can be an important driver of atmospheric warming.
10th November 2003 Shipping
James Corbett, from the University of Delaware, US, has highlighted
the extent of NOx gas emissions from shipping. He reports that the
world's trawlers and tankers emit more NOx than from the whole USA.