David Challinor 30 Apr 2014 More in Desalination Membrane 'breakthrough; Anglo American/GE deal; US$200,000 Challenge: Our Top 3 stories, as decided by F+S online readers News 1. Graphene membrane 'breakthrough' announced 2. Anglo American selects GE’s ABMet technology for wastewater treatment plant in British Columbia 3. US$200,000 challenge to discover renewable energy solutions for seawater desalination launched