Greenpeace just like any other group with a political agenda (like NRA, Sierra Club, PETA, MADD) has to provide the shock value to get its point across. How many more pieces of paper would be wasted if it weren't for the ability to send email or post on grandma's wall. Sending or writing a check is nearly extinct. Sure we have a heck of a lot plugged in, but servers are becoming exponentially more efficient as time progresses. With technologies such as cloud computing and virtualization, the peak load of infrastructure has promise to slowly decrease over the next decade. Remember the internet, as far reaching as it is, is still a relatively young technology that is getting its legs under it. Give it time, and the cost of powering all of those servers slowly moves companies to reduce their consumption or supplement with sustainable green power.