Use BBC.com or the new BBC App to listen to BBC podcasts, Radio 4 and the World Service outside the UK.

Find out how to listen to other BBC stations

Episode details

World Service,25 May 1999,13 mins

Available for over a year

The global ocean-atmosphere phenomenon known as El Nino. Sudden changes in the Pacific Ocean can cause destruction as Michael Glance, from UCAR, explains.

Programme Website
More episodes