Yale Environment 360: Lockheed Martin, one of the worlds largest military contractors, has developed a process that company officials say significantly reduces the amount of energy needed to desalinate water, an innovation that could help communities worldwide tackle the growing threat of water scarcity. According to the U.S.-based company, the new process uses ultra-thin carbon membranes with holes large enough to allow water to pass through, but small enough to block the salt molecules in seawater, Reuters reports....