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Over the last few years, our weather in Britain has become more extreme. Last winter was the wettest ever recorded, as deadly storms battered the country for weeks on end. But previous winters have seen bitter lows of -22, as Britain was plunged into a deep freeze. What everyone wants to know now is: why is our weather getting more extreme, can we expect to see more of it in the future, and has it got anything to do with climate change?
We all have a food footprint, but what foods create greenhouse gases? Craig Reucassel looks at different carbon footprints of the various foods we eat, and learns about the importance of where our food actually comes from.
S1E3 • Fight For Planet A: Our Climate Challenge • 2020 • Environment
We all feel qualified to talk about the weather but despite it going on around us all the time, many of its secrets are hidden from view. All weather, even the everyday stuff, is riddled with mystery and wonder, though you may not think so when caught without an umbrella. Find out how weather happens when the forces of wind, water and temperature collide, combine and even occasionally cooperate.
2015 • Environment
Scientists are just now unlocking the amazing secrets of how rain is made; some raindrops form around micrometeorites from outer space, others are created by bacteria that float into the upper atmosphere.
S1E1 • Secrets of the Earth • 2013 • Environment
Dr Helen Czerski reveals how shifting ocean water distributes heat and nutrients around the Earth. This process is linked to almost every aspect of human existence, and the lecture explores how dependent we are on the ocean for weather, food supply and connection between land masses - as well as exploring what needs to be done by humans to maintain this vital element of the Earth's ecosystem.
2/3 • BBC Royal Institution Christmas Lectures - Planet Earth: A User's Guide • 2020 • Environment
On 26 April 1986, reactor number four at the Chernobyl Nuclear Power Plant blew up. Forty-eight hours later the entire area was evacuated. Over the following months there were stories of mass graves and dire warnings of thousands of deaths from radiation exposure.