Henry TB. Marine plastics: is it too late to save our oceans?  Royal Society of Biology, Biology Week.  The Royal Institution of Great Britain, 8 October 2019 (www.rsb.org.uk/marineplastics) invited panelist. 

Henry TB. First results of the RealRiskNano project: Distinguishing the realistic environmental risks of nanoplastics by investgiating fate and toxicology in real-world scenarios. Global Summit of Regulatory Science.    Nanotechology and nanoplastics.  European Commission, Lago Maggiore, Italy 24-26 September 2020.  Invited Speaker.

Henry TB. Plastics in the environment: issues, speculation, and evidence.  Blow Molding, Technical and Business Developments in Plastic Bottles and Containers, International Conference, Cologne, Germany 24-26 June 2019.  Keynote Speaker.

Henry TB. Plastics in the environment: Issues, speculation and evidence. Multivak company sponsored event. 12 February 2019.  University of Strathclyde, Glasgow, UK (Invited Speaker).

Henry TB. Microplastics: Sources, occurrence, risks, and initiatives for environmental management.  UNESCO regional Training Workshop on Emerging Pollutants in Water Resources in Latin America and the Caribbean.  University of Campinas, Campinas, SP, Brazil.  6-7 December 2018. (Invited Speaker, Session Chair)

Henry TB. Losing Nemo in polluted waters: international perspectives and new challenges for toxicology.  Inaugural lecture, Heriot-Watt University, 21 March 2018. 

Henry TB. Evidence and speculation on the effects of plastics in surface waters.  Universidade de Campinas, Instituto da Química.UNICAMP, Campinas, Brazil, 25 January 2018 (Invited Speaker).