Joshua reflects on watching the new SolTerra headquarters being built over the last two years, and the mysterious tree on the north end of the roof.

The recent transportation package and what it could mean for residents of Portland and surrounding areas.

The pros and cons of sourcing open-source street-view photos from contributors around the world.

Yelena tests out GaiaGPS and some other new tools used for way-finding in avalanche-prone areas.

Satellite imagery can tell us a lot. Learn more about features and sources.

Yelena writes about a trip to Mt. Hood and the subterranean characteristics of the Sandy Glacier caves.

A proposal for turning Portland's central city multi-use path vision into reality.

Series of 3d diagrams illustrating the excavation of a contaminated site.

A detailed video that explains Portland's stormwater drainage system.

A team of Landscape Architects is recognized for visionary work on mine reclamation.