Greta Thunberg, a Swedish climate activist, has told world leaders: 'I don't want you to be hopeful, I want you to panic. I want you to feel the fear I feel every day and then I want you to act.' In an impassioned warning to act now on climate change, Thunberg told her audience at Davos: 'Either we choose to go on as a civilisation or we don’t' Subscribe to Guardian News on YouTube ► bit.ly/guardianwiressub 'Our house is on fire': Greta Thunberg,16, urges leaders to act on climate ► www.theguardian.com/environment/2019/jan/25/our-house-is-on-fire-greta-thunberg16-urges-leaders-to-act-on-climate Today in Focus podcast ► www.theguardian.com/news/series/todayinfocus Support the Guardian ► theguardian.com/supportus The Guardian YouTube network: The Guardian ► www.youtube.com/theguardian Owen Jones talks ► bit.ly/subsowenjones Guardian Football ► is.gd/guardianfootball Guardian Sport ► bit.ly/GDNsport Guardian Culture ► is.gd/guardianculture