February 13, 2014In December, JLC featured four advanced high-performance, super-insulated building designs. This week, we talked with homeowners who are living in some houses built following those designs to find out how the homes are coping with this year's record cold.
February 13, 2014Concrete is a problem from start to finish. The production of cement is responsible for at least 5% of the CO2 made by humans each year. That cement is mixed with aggregate that is carted out of huge earth-scarring gravel pits by giant trucks. It is then put in redi-mix trucks that race through.... Read more here