Earth2Tech: Greenpeace has been a fly in the ointment of the consumer electronics industry with its Greener Electronics Guide, which has delivered some harsh scores to gadget-makers over the years. Now, the group is tackling the IT industry: Greenpeace says the IT industry has shown "inadequate leadership in tackling climate change," and it has launched the "Greenpeace Cool IT Challenge," which ranks IT firms like Sun, IBM, Cisco and Microsoft according to their climate change fighting …