Watch Full Movie Online. Last November, ten of the UK’s leading experts briefed an invited audience of over 1,200 politicians and leaders from business, culture, faith, sport and the media. The briefing set out the implications of climate and nature breakdown for health, food systems, national security and the economy. The People's Emergency Briefing presents the national implications of climate and nature breakdown - along with credible, positive responses - in a single, accessible account. A new film featuring Chris Packham, leading scientists, a former general and Jennifer Saunders - all being far too frank about where things are heading and what can be done about it.