Environment News Service: There is 70 percent chance of rain in Los Angeles today, which would bring some relief to the parched area. Even so, the Metropolitan Water District of Southern California is asking that residents find ways to reduce water use at home. To help people understand how dry the area really is, the utility has unveiled a new Internet tool to track Southland water reserve levels. Metropolitan General Manager Jeffrey Kightlinger said the new tool’s debut in January on the district’s …