South Australia to get $1bn solar farm and world’s biggest battery

System will include 3.4m solar panels and 1.1m batteries, with operations set to begin by end of 2017

El Salvador makes history as first nation to impose blanket ban on metal mining

Campaigners celebrate victory for ‘water over gold’ after country unaninmously ushers through historic bill to end all forms of metal mining

12 ways to turn water from waste to resource

As 80% of the world’s wastewater flows untreated into the environment, an expert panel  discusses how to promote water reuse.

Murder in Pondoland: how a proposed mine brought conflict to South Africa

The death of activist Sikhosiphi Rhadebe in the Eastern Cape has not stopped local communities opposing plans for a titanium mine that threatens important lands and a way of life, reports Yale Environment 360

Anti-fracking protesters take government to court in Lancashire

Activists will challenge permission granted to Cuadrilla for test fracking sites near Blackpool as pressure mounts over the cost of policing the protests

A Brittany eco-home with extra gîte and yurt – in pictures

A geobiologist has built this complex of buildings out of eco-friendly materials around a wooden main house, with scope for tourist rentals