Researchers led by a team at the University of Tokyo have turned concrete from a demolished school building and carbon dioxide (CO 2) from the air into new blocks strong enough to build a house with.

Dear Tim: My wife and I have an outdoor patio with colored precast concrete paving blocks. It doesn’t take long each year for black mold and mildew to start growing on it. We also have an issue ...

Grow discovered that the Bosco-Milligan Foundation's Architectural Heritage Center had one of the original 1905 concrete-block-making machines and original molds in its collection. He arranged ...

Related: These recycled plastic concrete blocks are zero-waste Made of a special ... Then, texture agents such as mold-modifying agents, finishes and liners create a surface for marine life ...

Inside the Colorado company’s warehouse, sand is loaded in block-shaped molds with micro-algae ... less carbon-intensive than traditional concrete. Through continued manufacturing improvements ...

After about a day, the mixture formed concrete blocks in the shape of whatever molds the group used, including two-inch cubes, shoe box-size blocks and truss pieces with struts and cutouts.

Concrete blocks can withstand higher winds than typical ... style as “sustainable,” low maintenance and energy efficient. Mold, mildew and termites aren’t an issue in these types of homes ...