Paul Young presented on various terrorism threats. He discussed the history of terrorist groups going underground after defeat. ISIS aims to create an Islamic caliphate across Iraq and Syria through implementing Sharia law. There are concerns about returning ISIS soldiers posing a threat. While Canada pledges to prosecute those who broke terrorism laws by joining ISIS, it also wants to reintegrate returnees. Eco-terrorism involves destroying the environment to intimidate governments or civilians. It costs billions globally each year. Increased surveillance, AI, urban planning, ecosystem protection and monitoring can help address terrorism threats.