Using simple methods like tank banks, low-flow showerheads and faucet aerators you can retrofit your home for under$50. By using water-saving features you can reduce your in-home water use by 35%. This means the average household, which uses 130,000 gallons per year, coulod save 44,00 gallons of water per year.
Specifically, Serra Da Estrela ['Mountain Range of the Star'] is the highest mountain on mainland Portugal. At its highest point, it measures 6,539 feet/1993 meters above sea level.
1 Mont Blanc is the highest mountain in the Alps and in western Europe. 2  The highest mountain in Europe is considered by most geographers to be 18,510-foot (5,642 meter) Mount Elbrus in the Caucasus Mountains in Russia near the Georgian border. 3  Some consider it, however, to be in Asia rather than Europe.