Newsweek ranks the biggest American and global companies on their environmental records. Dell takes the top spot.
Here's a slideshow of "America's most environmentally friendly companies," as determined by Newsweek.
Interestingly, for the U.S. rankings, three computer-technology companies topped the list: Dell, HP, and IBM, in that order. Dell immediately proceeded to blow all that goodwill on the audience most important to them by essentially Tweet-spamming the Society of Environmental Journalists conference that was going on when the announcement was made.
Apparently this isn't actually called "tweet-spamming" but rather "colonizing the hashtag," as my friend and colleague Emily Gertz pointed out: