Humans affect Earth's climate through many mechanisms by changing the abundance of greenhouse gases and air pollutants, and by altering the reflectivity of Earth's surface through changes in land use.
Siemens estimate the cost of operating MRI machine with a 1.5T to be around $ 300,000 a year (Keefer, 2011). This includes cost of acquiring and a technologist to operate the machine, cost of power and maintenance cost. The salary for an MRI radiologist ranges between $ 50,000 and 60,000 a year (Keefer, 2011).
The purchase decision of MRI machine requires an extensive research as the machine is so much expensive. The machine cost is having range from $1.5 to $1.6 million each (www.jsonlne.com). Return on Investment of MRI There are the following description for the 0.35 Open MRI Scanner, it was estimated that machine will scan 200 patients per month.