One of the most amazing green roofs in the world is at the School of Art, Design and Media at Nanyang Technological University in Singapore. I like that this building invites you to walk onto its' roof as if it were a hill.
Parkroyal located in central Singapore by Woha Architect. Designed as a hotel and office in a garden, the project at Upper Pickering Street is a study of how we can not only conserve our greenery in a built-up high-rise city centre but multiply it i
Friedrich Bayer Bridge / LoebCapote Arquitetura e Urbanismo
Similar to how I picture Command. (the Cooled Conservatories designed by Wilkinson Eyre Architects at the Gardens by the Bay tropical garden in Singapore have been awarded the World Building of the Year prize at the World Architecture Festival in Singap
Sky Garden House by Guz Architects. Wierd, but I think it would be really nice to inhabit. It's also an interesting application of green roofs/roof gardens to a very modern, otherwise steel and concrete design.