Dear colleague, * The Geological Society and The Challenger Society for Marine Science have joined together to run a conference entitled 'Biogeochemistry of marine waters and sediments, past and present' to be held at Burlington House, London on 02-04 September 2009. See the attached poster for further information. * The Geological Society's William Smith meeting 2009 - Environment, Pollution and Human Health to be held Burlington House, London on 21-23 September 2009. Further information can be found at: http://www.geolsoc.org.uk/gsl/events/listings/page4598.html Paul Nathanail