A one-day symposium organised by the RSC's Environmental ÉîÒ¹¸£Àû¹ú²ú¾«Æ· Group (ECG) and the Environment, Sustainability and Energy Division of the Royal Society of ÉîÒ¹¸£Àû¹ú²ú¾«Æ·, incorporating the 2011 ECG Distinguished Guest Lecture to be given by Prof James Galloway (University of Virginia).