A farm in the valley
                JACQUELINE FORSTER visits a market garden in the Kanimbla Valley growing organic produce for top Sydney restaurants.
        
        Healthier air
                Indoor plants make your air cleaner, says PENNY WOODWARD. Here, she explains how.
        
        Food is free!
                The Victorian city of Ballarat is doing its bit for the food-share movement, writes JESSAMY MILLER.
        
        Renewable energy breakthroughs
                Dr. REESE HALTER reveals some of the technological, social and farming breakthroughs that will help reduce greenhouse gas emissions.
        
        Climate in crisis
                Dr. REESE HALTER looks at current climate change conditions and measures to avert crisis.
        
        Patches of peace
                Gardening is proving a therapeutic tonic, both physically and mentally, for returned war veterans around Australia, writes SIMON WEBSTER.
        
        High-wire act
                Have you noticed these poles when driving along the Hume Highway? asks PENNY WOODWARD.
        
        Colclough walled garden
                A chance signpost and a meandering walk through Irish woodland led PENNY WOODWARD to a secret walled garden.
        
        Glyphosate linked to cancer
                The World Health Organisation's cancer agency describes glyphosate as a probable carcinogen, JUSTIN RUSSELL reports.
        
        The Herbalist’s Bible
                What did people do for medicine in the 17th century? JUSTIN RUSSELL reviews a modern take on a Middle Ages herbal classic.
        
        Garden of knowledge
                KYLIE MCGREGOR profiles Kindlehill School and its ever-evolving gardens.