A 10,500-square-foot open-plan office with team rooms for group work, a conference room, a lounge, and a kitchen.

A three-level, 112,000-square-foot headquarters for the nonprofit global health organization PATH.

A 3,500-square-foot office for the nonprofit Taproot Foundation, an organization that connects resource-strapped nonprofits with businesses willing to offer pro bono services.

At Princeton University's new Frick Chemistry Laboratory, dedicated in April, a highly efficient lighting scheme is one of several tightly integrated strategies that contribute to the building's ambitious energy-saving goals: Frick is designed to use 24 percent less site energy than allowed by the 2007 version of ASHRAE 90.1 standard. This building's configuration is a product of both environmental and programmatic goals, according to its architects, London-based Hopkins and Payette Associates of Boston. The 265,000-square-foot structure has two four-story, largely glass-enclosed wings'one on the east for research and another on the west for offices. The pieces are joined by a

Like a beacon, the dynamic glow of the illuminated corner building on Rhode Island Avenue points to a bright future for area residents. The Watha T. Daniel ' Shaw Neighborhood Library (Shaw) was one of the first projects in an ongoing D.C. Public Library initiative to build new facilities with community-friendly spaces and state-of-the-art information technologies. The mandate also stipulates that the buildings meet or exceed LEED Silver certification. According to Peter Cook, Davis Brody Bond principal in charge of the Shaw Library project, light'in particular daylight boosted by electric light and controls'was a significant part of their energy-saving design

Low energy use was a particular priority for the Triskelion, a 1,300-square-foot moveable pavilion commissioned by the nonprofit arts organization FOR-SITE. Designed by Ogrydziak/Prillinger Architects, San Francisco, the building consists of three shipping containers arranged at 120-degree angles to define a central skylit atrium. Since May 2010 it has been installed at the Presidio, where it was part of the yearlong Presidio Habitats'an exhibition of artist-created animal habitats distributed around one corner of the national park. The pavilion served as a space for the display of sketches and models. Because Presidio officials required that the building be easily demountable and

Last June, Yotel'a U.K.-based hotel chain inspired by Japanese capsule hotels and luxury airline cabins'opened a location on the far west side of Manhattan. It is just one component within a vast, $800 million, mixed-use complex designed by Arquitectonica. But the hotel, with a facade, public spaces, and 669 rooms by Rockwell Group and lighting firm Focus, possesses its own distinct character. It has a '2001: A Space Odyssey feel,' says Michael Cummings, Focus design director. The hotel's public spaces are illuminated almost exclusively with LEDs. The brightness of the source worked well with the sleek, predominately white and gray

Once you get past the eye-popping turquoise green prepatinated copper of Renzo Piano's new 70,000-square-foot addition to the Isabella Stewart Gardner Museum in Boston, you discover that the new wing echoes the older museum in its proportions, sleek lines, and taut planes.

The following excerpts are from a conversation included in Park Avenue Armory, a limited-edition publication edited by Gerhard Mack for the Park Avenue Armory Conservancy.

A single-story, 30,000-square-foot headquarters for the Livestrong Foundation, with office space, meeting rooms, a courtyard, a gym, and a resource center for cancer patients. Located in East Austin, the facility is an adaptive reuse of a concrete tilt-up paper warehouse built in the 1950s.