Media playback is unsupported on your device

WWF holds Blue Mile event to raise awareness about man's impact on water

The world's rivers, oceans and lakes are home to an astounding array of fish, animal and plant life but they are under threat from man's activities.

As part of its latest fundraising campaign the World Wildlife Fund is asking people to complete a sponsored mile on, in or near water.

Rachel Bloodworth from WWF and explorer Paul Rose discussed the exercise, and why they are doing it.

  • 04 Sep 2011
Go to next video: 'Logging threat' to rare tigers