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.
Another high point in Europe. Mount Elbrus gets the title of highest in Europe. Another, perhaps better known, peak is Mont Blanc. It is the highest mountain in the Alps and the European Union. Its elevation is 15,781 feet (4,810 m) above sea level.