Panorama investigates a year of wild weather and hears how freak events are becoming increasingly commonplace, changing life right now for millions.

This summer a small town was destroyed by fire after record-breaking high temperatures in the Pacific Northwest and Canada. Floods in Germany swept away entire villages. A plague of mice destroyed livelihoods in Australia's New South Wales. Dust storms from China swept thousands of miles to South Korea and the people of Madagascar are on the brink of the world's first climate change-induced famine. By interrogating climate science and with exclusive access to new Met Office data, reporter Justin Rowlatt reveals where in the world the climate is changing the fastest and who will be most affected.