This multidisciplinary conference will bring together outstanding researchers from all over the world to discuss how best to assess, establish and maintain the credibility and trustworthiness of expertise in a rapidly changing media environment. Scholars will present their latest findings on questions of trust and trustworthiness, expertise, science and technology, policy, and the media. Topics range from the Covid-19 pandemic, climate change, conspiracy theories, to Chinese chicken soup and shark attacks as examples of contested science communication in social media events.