In the article on Inside Big Data: How Eco-Friendly Builders are Using Big Data to Make Design Decisions, Avery Phillips reports on how builders are using big data to design everything from green buildings to eco-friendly city layouts. Within buildings, sensors monitor water and electricity consumption, allowing for more efficient use. Temperature, humidity and oxygen levels can also be monitored and controlled by automated systems, improving living conditions for tenants while cutting down power consumption costs. The latest developments in technology allow builders to share building performance data between themselves, so inefficiencies are not repeated in new building designs. City infrastructure such as bridges and rainwater collection systems are now being redesigned to be more eco-friendly based on data and technology they did not have access to earlier. Big data is helping urban planners re-route bus lines and train tracks, and making housing and amenities walking- and biking-friendly, all with the goal of reducing our carbon footprint for sustainable living.