I give invited talks at a wide range of events, for extremely varied audiences, and on a large number of topics. 

Popular talks include "Climate optimism for troubled times" and "Antarctic climate change". I offer off-the-shelf and bespoke talk packages.
Other services include academic and science communication consultancy, workshops and presenting. You can find a summary of my rates here and my CV here. Please note that I work for free only in exceptional circumstances.
Please get in touch to discuss your requirements.