Our fragile planet
Observing Earth from far above, ESA astronaut Andr? Kuipers is acting as a world ambassador for the World Wildlife Fund. This video message introduces the Living Planet Report.The Living Planet Report measures changes in biodiversity by tracking 9000 populations of more than 2600 of the world's species. Andr? wrote the introduction to the report and is doing his part to show how fragile our world really is.Andr? has been concerned about our planet since his last mission to the International Space Station in 2004. He has been sending us images that show the impact humans are having on our climate."We only have one Earth. From up here I can see humanity's footprint, including forest fires, air pollution and erosion -- challenges which are reflected in this edition of the Living Planet Report."