When it comes to green building, you can't always get what you what. So how do you get what you need? Whole-window R-value of 6.7. Not too shabby!

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Building to the Passive House standard is hard enough for the pros. We get a peek into what happens when you try to go it alone. Zip-taped and on piers. We were lucky enough to visit while seams and interior I beams were still visible.

Mem's NaturHemp insulation offers comparable R-values to other batt insulations and is made from rapidly renewable hemp. It is made in Canada, where industrial hemp can be grown legally. More new products from Greenbuild! This week we introduce you to some water-saving fixtures, recycled content products, a residential rainscreen system, and hemp insulation.

By leveraging social media, a national campus competition helps students turn small commitments into large-scale change. Combining social media with intercollegiate competition provides two forms of motivation: it shows participants that even small individual commitments can be part of a larger whole and also gives them the extra incentive of trying to do well in a contest with peers.

Part 2 in our series, "What Type of Insulation Should You Use?" Even our savvy readers had some trouble with BuildingGreen's insulation quiz. Does it really have to be this hard to choose the best insulation for your project?

Renovate, from Berkowitz, LLC. is a retrofit glazing that fits on the interior of single-pane commercial windows, improving the center of glass U-factor from 1.03 to 0.16. Finding the top Greenbuild products among 900 exhibitors is no easy task. This week we introduce you to our favorite windows from the show.

What do over a thousand protests around the world last weekend in support of Occupy Wall Street have to do with Green Building?

Part 1: The Basics Click to Read Part 2: Identifying Your Priorities Choosing the best insulation to maximize performance and minimize environmental impacts is one of the most complex decisions you can make for a building project.

Insulation is a critical component of any building--especially one designed and built to minimize environmental impacts.

Are there any sustainable materials? What does that even mean?

The increased use of no-added-urea-formaldehyde (NAUF) wood products is great, but can occasionally cause unsightly "bleaching" of gorgeous veneers. What to do? Exotic veneers like this deliciously buttery English sycamore can be devastatingly discolored by some types of non-urea-formaldehyde boards. Woodworking experts have found some solutions to the problem: it's all in how you put it together.

It's easy to get bogged down in the details of one credit or another, but Greenbuild offered a refreshing look at the bigger picture.

Our Top-10 Products for 2012 look ahead, offering forward-thinking solutions you can put in place now.

Greenbuild is one of the highlights of the year as we scout out new, innovative products for GreenSpec and Environmental Building News, and every year we present the Top-10 Building Products as selected by our editorial team. This year we are awarding the top 10 products of 2012. That is not a typo.