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.
Serra Da Estrela and Ponta do Pico are the highest mountains in Portugal. 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.
Central Portugal. High elevations account for the cooler temperatures in some parts of Portugal. The mountains of Serra da Estrela Natural Park are represented here by Penhas Douradas, where the weather station is at 1388 metres (4554 feet) elevation. Guarda, at 1019 metres (3343 feet), is Portugal's highest city. September temperatures: daily averages.