White dune snails are wreaking havoc on grape vines in South African vineyards. Ducks - and not chemical pesticides - are being used to fight them. That's good news for bees and other insects.
Cheap image, flagging economy, few exports: South Africa's winegrowers are struggling with many obstacles. There is also a major issue over water.
Global warming is fast becoming a concern for the wine industry. But while traditional wine-growing regions might only yield raisins in 30 years' time, other areas around the world are starting to embrace viticulture.
Climate change, new pests and diseases are threatening Riesling wine. Warmer temperatures are forcing winemakers to increase the use of plant protection methods, namely pesticides.
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