We can conceptualize smart buildings where the atmosphere...

We can conceptualize smart buildings where the atmosphere inside each room is sensed and controlled in regions to accommodate varying preferences of its occupants. Water in the soil (and) chemical composition of the environment can be monitored and controlled inside hothouses or even in vineyards and fields. The key is to go beyond sensing the changes of physical quantities to closing the loop around the sensor webs, which means making accurate decisions based on the information.