Homes for sale in Scottsdale, AZ have a median listing residence value of $919,900. Real estate in itself has been measured as a contributing factor to the rise in green house gases. According to the International Energy Agency, real estate in 2019 was answerable for 39 % of total emissions worldwide and 11 p.c of those emissions were Technology News due to the manufacturing of supplies used in buildings. Real estate can be valued or devalued based on the quantity of environmental degradation that has occurred. Environmental degradation may cause excessive well being and security risks.