Dutch designer Sam van Veluw has developed a new way to answer the call of nature at outdoor events and venues. After a long search for a public restroom at a music concert one evening, he came up with the concept of strapping a waterless urinal onto a tree. These would be simple to install and can relieve the pressure on porta-potties (we had to use the pun) at public events. Its practical application may be questionable, but it is a refreshing approach to what can be a pressing problem.
