Lance Johnson discusses Dow's role as a leader in desalination, highlighting the company's involvement in a number of high-profile desal projects, including Ashkelon, Perth, and Sydney. Johnson also shares his thoughts on drivers impacting the desalination marketplace, such as energy, water scarcity, and aging infrastructure. Also discussed are Dow's ultrafiltration membranes, constructed of a PVDF polymer and featuring a .03 micron pore size, for SWRO pretreatment.