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).
At $2,600 on average for an MRI and $1,100 on average for an ultrasound, even one unnecessary test is too many for folks on a budget, unless your insurance or Medicare covers the test.or example, the cost of a CT scanner can be as low as $65,000 for a refurbished one that produces only small images quickly. A larger and brand new CT scanner can run as high as $2.5 million. Prices are slightly higher for MRI machines, running up to about $3 million for a new machine.