Once a week, we'll post some of the most interesting construction-related pieces we've come across. From architecture to green building to the latest industry news, we've got your reading list covered. Enjoy!

SOL - a net-zero residential community in Austin, Texas - boasts bio-filtration, geothermal, and over 40 units. Via ArchDaily.

The Atlantic Cities asks, 'Does Light Rail Really Alleviate Traffic Congestion?' A new report contains some surprising answers.

The USGBC reveals how green building is exploding - but retrofit projects need more attention.

Federal officials push ahead on Alaska's $4.3 billion Susitna-Watana Hydroelectric Project.

An innovative approach to 3D printing turns sunlight and sand into an amazingly versatile range of products, cleanly and on the cheap. Check out the video below: