The use of earth plaster is very common in natural buildings; it is the same mixture used in adobe. Though easily made, its use is not widely known. Rafael Loschiavo, from Ecoeficientes, teaches the step-by-step method for bringing a new life to a run-down wall without the need for major renovations.

Did you know that tree-lined streets are proven to be beneficial to physical and mental health? So why not include them in health funding? The Nature Conservancy's new research demonstrates the number of reasons why this should be done.