Microsoft has built 3 treehouses for its employees.  Being in nature boosts creativity.  People are less stressed and are less likely to burn out.  

The cost of these large scale treehouses is a hurdle for more companies to build these kinds of sanctuaries for their employees.  
At 3D treehouse, it is our aim to seriously reduce the labour costs involved with building large treehouses so more people around the world can experience the benefits of working in a treehouse.