On their listing of open-to-public lectures, but if travelling some distance
, probably best to confirm beforehand , as not one of the largest lecture
theatres on campus.

http://www.events.soton.ac.uk/event/...rfwpo8-fjpjwj/


Tyndall Centre for Climate Change Research Lecture

Geoengineering the Climate: Science, Governance & Uncertainty: the Royal
Society study

18:00 - 19:00 22 April 2010

Event Overview

The climate change we are experiencing now is caused by an increase in
greenhouse gases due to human activities, including burning fossil fuels,
agriculture and deforestation. There is now widespread belief that a global
warming of greater than 2oC above pre-industrial levels would be dangerous
and should be avoided.

However, despite growing concerns over climate change, global CO2 emissions
have continued to climb. This has led some to suggest more radical
"Geoengineering" alternatives to conventional mitigation via reductions in
CO2 emissions. Geoengineering is deliberate intervention in the climate
system to counteract man-made global warming. There are two main classes;
direct carbon dioxide removal, and solar radiation management, which aims to
cool the planet by reflecting more sunlight out to space. This talk will
summarise the findings of a recent review of Geoengineering carried-out by
the UK Royal Society discussing the climate effects, costs, risks, and
research and governance needs for each approach. The key findings from the
review were that Geoengineering is not a magic bullet and not an alternative
to emissions reductions; cutting global greenhouse gas emissions must remain
our highest priority - but this is proving to be difficult and
Geoengineering may be useful to support it; Geoengineering is very likely to
be technically possible, however there are major uncertainties and potential
risks concerning effectiveness, costs and social environmental impacts; much
more research is needed, as well public engagement and a system of
regulation (for both deployment and for possible large-scale field tests);
the acceptability of Geoengineering will be determined as much by social,
legal and political issues as by scientific and technical factors.

Contact for more information

Name: Susan Hanson
Telephone: 023 8059 4796
Email: s.e.hanso....

Speaker information

Professor John Shepherd , National Oceanography Centre
Biography: John Shepherd is a Professorial Research Fellow in Earth System
Science in the School of Ocean and Earth Science, National Oceanography
Centre, University of Southampton, UK. He is a physicist by training, and
has worked on the transport of pollutants in the atmospheric boundary layer,
the dispersion of tracers in the deep ocean, the assessment & control of
radioactive waste disposal in the sea, on the assessment and management of
marine fish stocks, and most recently on Earth System Modelling and climate
change. His current research interests include the natural variability of
the climate system on long time-scales, and the development of intermediate
complexity models of the Earth climate system for understanding past climate
changes. He was a founder member of the GENIE modelling project and of the
Tyndall Centre for Climate Change Research, and recently chaired the Royal
Society study on "Geoengineering the Climate: Science, Governance and
Uncertainty".


Venue

Room 3009
Building 7 - Lanchester
Highfield Campus
University of Southampton
Southampton
Hampshire
SO17 1BJ
United Kingdom

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