- Roberto Martins, Do engineered nanomaterials pose a threat to the marine environment?. Impact of coastal pollution on atmospheric chemistry and marine ecosystems, Contribution from AMBIEnCE Project, 20 October 2021, Online.
- Roberto Martins, Paving the way to mitigate maritime corrosion based on green nanotechnology. Seminars on Aquatic Biodiversity, 5 November of 2021, São Vicente, Online.
- Roberto Martins, Engineered nanomaterials and the marine ecosystem: innovation vs. sustainability. 4-4-4 Talks, 27 April 2022. Aveiro, Portugal.