Slash and burn farming generates more carbon annually than all air travel put together. It sits at the crossroads of two of the greatest threats to global stability: accelerating climate change and diminishing food security.Up In Smoke follows British scientist Mike Hands, who has laboured for 25 years to find a solution to replacing slash & burn agriculture in equatorial rainforests.And he's found it.Filmed over 4 years in Honduras and the UK, the this fascinating film presents a historic opportunity to address one of the most urgent issues of the present day. It parallels the farmer's struggles with Mike Hands attempts to get heavyweight political backing, as he tries to get the Inga Tree and alley-cropping technique onto the agenda at the 2009 Copenhagen Summit. But is the world ready to listen?