Vertical waste processor wins conceptual skyscraper contest

A skyscraper that processes waste, an ice dam, an urban nature reserve and a border-wall building are among the conceptual projects recognised in this year's eVolo Skyscraper Competition.
This year's edition of the annual skyscraper design contest named three winners and 27 honourable mentions, with Serbian architecture student Marko Dragicevic's design for Methanescraper in Belgrade named the overall winner.
His proposal aims to deal with the vast amount of waste generated i