El Niño is releasing vast quantities of heat normally stored in the Pacific, causing floods, droughts and fires. Adam Rutherford discusses the latest with our El Niño expert Roland Pease.

This weather event arrives every 2-7 years but it's hard to work out how profound it will be. Back in May last year, the Met Office climate scientist Adam Scaife correctly predicted an El Niño. He returns to give an overview of this phenomenon.

How does an altered weather pattern in the Pacific end up altering the weather in Cumbria. Tim Stockdale at the European Centre for Medium-Range Weather Forecasts and Richard Allan at Reading University explain the science behind the current events.

The rains are coming to drought-ridden California as a result of El Niño. Jack Stewart explains why this is not entirely a good thing.

Professor Sue Page from Leicester University and Professor Martin Wooster from KCL study the Indonesian fires exacerbated by an El Niño event. They describe the devastating effects of these fires. An estimated 15,000 death can be attributed to the previous El Niño burning and it has added 300 million tonnes of carbon dioxide to the atmosphere.