Parisian street artist Lor-K surprises passersby with huge sculptural food-inspired artworks. >

This photographer is highlighting the global food crisis with her images of salvaged food. >

Discarded water tanks, street lamps and other waste items used to create play areas in Taipei. >

Hunger affects almost 795-million people worldwide. Finding smart ways to reduce excessive levels of food waste has now become a priority not a nice-to-have. >

Cooking with fossil fuels over an open flame is harmful to people and the environment, SustainEarth offers a biogas alternative. >

This HomeBiogas system is targeted at average families looking to turn their waste into energy. >

One man's junk is another man's contemporary jewellery, proves designer Mariana Acosta. >

United By Blue is an organisation that removes one pound of trash from the ocean for every one of their organic, vintage-inspired T-shirts sold. >