Overview: Wopke Hoekstra wants to succeed Timmermans as European Commissioner for Climate. But his resume smells kind of like gasoline. How is he going to convince the European Commission? A tax on plastic. That seems like a good idea. But does it also work? Well, that's just the question. How do you make science fun for a large audience? No one knows that better than Ionica Smeets. She even got an award for it!