Lighthouse Eco

Striving for a sustainable Lifestyle


UK breakthrough could slash emissions from cement

Scientists say they’ve found a way to recycle cement from demolished concrete buildings.

Prickly paddy melon weed enzymes show potential as sustainable cement alternative

A world-first study has found enzymes from the prickly paddy melon weed can create a sustainable alternative to cement.

The Lower Sioux in Minnesota need homes — so they are building them from hemp

The Lower Sioux tribe in Minnesota is pioneering the country’s first integrated hempcrete operation, transforming industrially-grown hemp into a construction material for sustainable, healthy housing. This initiative, unique in the U.S., also aims to tackle the tribe’s critical shortage of jobs and housing, while acting as a model for other Indigenous tribes.

Experts revive ancient techniques to make concrete more sustainable

A team of experts from EPFL, ETH Zurich, and Archiplein has developed a new type of non-reinforced concrete from stone offcuts. Using methods found in historical archives, the team reduced their use of carbon-intensive cement. They built and tested six load-bearing walls using recovered stone-quarry waste and three types of mortar-based binders.