Global Dimming (Full Programme) | Horizon
Scientists have discovered "Global Dimming". We are getting less sunlight every year since the 1950's. There is time to avoid a catastrophe if the political will is there.Tweet
Temperature: The Driving Force | Wild Weather with Richard Hammond
Richard Hammond investigates the crucial role temperature plays in all weather. He builds a dust storm to discover how Saharan sand reaches the UK.
Water: The Shape Shifter | Wild Weather with Richard Hammond
Richard Hammond investigates the role water plays in the weather. He tries to weigh a cloud, finds out how rain could crush a car and starts an avalanche.