Resource extraction
Global resource extraction ‘has more than tripled since 1970’

UN Environment says the annual extraction of materials grew from 27 billion tonnes to 92 billion tonnes over the period

Chemical free water treatment makes a splash

A South Australian water company has developed a way to treat water without using chemicals. Hydrosmart claims its technology uses microprocessors attached to the outside of underwater pipes that emit sound frequencies and clean the water to environmental standards. The innovative solution was originally developed to stop minerals in the water such as iron and calcium […]