And by testing out, I mean selling. (Interesting side story: Takeshi Miyakawa, the Brooklyn-based designer who provided a light installation for the exhibition, was arrested during NY Design Week for suspicious, light installation-related activities).

FORBES: Designer Unveils Wooden Light Bulb

Two of the best are " Ice Lights", a light-installation at Vancouver City Hall that looks like ice framing the historic building, and " The Birds", a pair of larger-than-life bird sculptures that once stood sentry at the site of the Olympic Village and now roost at the Southeast False Creek Plaza.

BBC: Vancouver after the Games

New this year is a three-storey circular light installation entitled Rising Moon, made from 7, 000 plastic bottles and other recyclable materials floating on a pool of water in Victoria Park.

BBC: Hong Kong��s enchanting homage to the moon

As detailed in the recently released 2010 Sustainability Report, the company has taken on various eco-initiatives, including an aggressive (and early) phase-out of incandescent light bulbs, the installation of solar panels on numerous U.S. stores, and the introduction of the IKEA Product Sustainability Scorecard.

FORBES: Labor Trouble In 'Lack-land'

British-born Anthony McCall's piece You and I Horizontal is a bewildering solid light installation that uses a video projector to create what seems like a thick wall.

BBC: Look on the bright side at London��s light show