Crisis is a word we've been hearing a lot over the last couple of weeks and months. In recent days it has been applied to the floods in Pakistan, mudslides in China, wild fires in Russia and riots in Greece.
Are there connections between these various crises that we are failing to make? Stephen Sackur spoke to Nafeez Mosaddeq Ahmed, author of 'A User's Guide to the Crisis of Civilization'.
GMT with George Alagiah is broadcast weekdays at 1200 and 1230 GMT on BBC World News channel. Find out more information about regional broadcast times