Using Foamglas instead of polystyrene to insulate beneath our basement slab and on the foundation walls.

The Greenbuild conference, as usual, was the place to find out about innovations in green building products.

An easy-to-use online Fuel Cost Calculators lets you compare different fuels in terms of today’s energy costs.

A special feature of LEED for Existing Buildings: Operations & Maintenance (LEED-EBOM) certifications is that they come with an expiration date: since the certification is all about ongoing performance, project buildings have been required to seek recertification every five years. The only difficulty has been that the U.S. Green Building Council (USGBC) has taken a lot of time to develop clear and specific guidelines for exactly how projects are supposed to do that.

Resilience and building science are the focus for our eleventh annual BuildingGreen Top-10 product awards.

Last year's BuildingGreen Top-10 product awards were the first to emphasize resilient design. This year, in the wake of more droughts, wildfires, and the last straw—SuperStorm Sandy—our need to focus on resilience is ever more urgent.

There’s a lot to talk about after Tuesday’s elections: urban planning, Keystone XL, and whether America is in a death spiral.

Hurricane Sandy demonstrated the vulnerability of our dependence on automobiles; we need to become a lot more resilient.

By now we’ve all seen the photos of houses buried in sand along the Jersey Shore, burned-out homes in Queens, and submerged subway stations in Manhattan.