Introduced by Chris Packham, this 45-minute film brings together key clips from the 3-hour-long National Emergency Briefing shown to MPs and others. The screening will be followed by discussion of the film and what we can all do. The event will run from 7pm to 8.30 latest. Hosted by XR Wandsworth, Greener Jobs Alliance, Christian Climate Action, Greenpeace South West London, Balham Climate Action and Transition Town Tooting.