Prince Charles' UN climate warning

The Prince of Wales has warned of the "catastrophic" consequences of inaction on issues such as climate change, at a UN sustainability conference in Brazil.

In a video message, Prince Charles told delegates at the Rio+20 meeting he had "watched in despair" at the slow pace of progress on the "critical issues of the day".

He urged world leaders to adopt a more integrated approach to issues such as climate change and food security.

Clip courtesy The Royal Channel on YouTube