El Portal del 3D y la Animación has an interview with VFX Supervisor Karen Goulekas where she discusses The Day After Tomorrow. She mentions the work done by DIgital Domain, Tweak Films, Hydraulx, ILM and The Orphanage.
There are also separate interviews with VFX artists Francisco DeLaTorre from Tweak Films, Adam Lisagor of Hydraulx and VFX Supervisor Remo Balcells of The Orphanage. You can read the interview here:
Originally spotted on VFXBlog.com.