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    • Earth Talk: Cement plant concerns

      San Francisco Chronicle· 2 weeks ago

      Dear EarthTalk: I’m alarmed that a cement plant plans expansion behind our home. What are the potential health and environmental impacts of such a facility ...

    • Search | T2 Portal

      NASA· 16 hours ago

      NASA's system was developed for smaller-scale, space-based applications. Implementation of the Ammonia Recovery System could significantly reduce nitrogen content from water treatment processes ...