Sentence:  In view of the increasing shortage of usable surface and ground water in many parts of the Nation and the importance of finding <WSD>new</WSD> sources of supply to meet its present and future water needs , it is the policy of the Congress to provide for the development of practicable low-cost means for the large-scale production of water of a quality suitable for municipal , industrial , agricultural , and other beneficial consumptive uses from saline water , and for studies and research related thereto . 
Meaning of the word marked with <WSD> tags:  not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered