Extreme wildfires are here to stay - and multiply

Indonesia's peatlands, California's forests, and, now, vast swathes of Argentine wetland have all been ravaged by extreme wildfires, heralding a fiery future and the dire need to prevent it. With climate change triggering droughts and farmers clearing forests, the number of extreme wildfires is expected to increase 30% within the next 28 years. Emer McCarthy reports.