UPDATE, Friday. In their joint apology for this now-infamous 9/11 ad, DDB Brazil and WWF Brazil mentioned their previous collaborations. Here's a sampling of ads they've done together since 2007.
UPDATE, Thursday evening. So, it appears the video version of the print ad was the work of DDB Brazil as well, and was entered into the Cannes festival this year. Meanwhile, over at Adweek.com, Barbara Lippert offers her view of the whole fiasco.
UPDATE, Thursday, 1 p.m.