Dell

Dell was involved in a big Greenpeace issue in 2010, when environmental group protested for company's failure to meet deadline to remove toxins from its products. In this year’s study also, the company failed to prove its commitment to the environment.

Energy used from Non renewable sources: 20.1 percent

Clean Energy: 56.3 Percent

Grade: D

READ ON to know the 3 Tech companies which were praised for their efforts to become more eco friendly.