Two Brit explorers aim to be the first men ever to walk the length of the Amazon, over 4,000 miles unsupported and unguided, from the source of the Amazon River in southern Peru to the mouth in Brazil.

Ed Stafford and Luke Collyer will receive a huge send off from onboard HMS President, Victoria Embankment, London on Saturday 2nd February 2008 as they set off to tackle the world’s largest and longest river, carrying only their rucksacks.

The dangerous mission has never been undertaken before. The boys are finding it hard to obtain a ‘fixer’, having been told by many in the area; “If you do this - you will die”.

At any one time they could be weeks from any form of human habitation and they will have to use sustainable survival practices to live off the jungle.

They also aim to make the most comprehensive blog on the pressures that act on the Amazon and how that effects climate change ever. They will upload footage and information using mobile satellite internet links that will feed an interactive on-line tracking map embedded with stories and video highlighting both the repercussions of, and the pressures that contribute to, climate change.