Yes. Porifera, a small California start-up, recently pioneered a new process of desalinating water which is much less energy-intensive than typical desalination processes, using instead a system of tiny straws through which water drains naturally without having to be pumped. The nanotube membranes used in this process can also separate carbon dioxide from nitrogen in power plant emissions, so that the CO2 can be sequestered. The US Department of Energy has given Porifera a $1 million grant specifically to develop this application. If it can be employed on a large scale, the potential exists to sequester large amounts of carbon emissions at relatively low cost, an exciting development from the standpoint of fighting global warming.
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