"We can do absolutely extraordinary things without a single drop of fuel." In between the around the world flight of the first ever solar powered plane, Solar Impulse's Bertrand Piccard talks about clean technology, clean energy and a clean future. This September the IUCN's World Conservation Congress aims to improve how our natural environment is managed for human, social and economic development.

Head to http://www.iucnworldconservationcongress.org/ to find out more