Coffee growing requires huge amounts of water, but most of the sales revenue stays in the consuming countries.
Water seems to be abundant on our blue planet. But extensive agriculture, high consumption and climate change are already causing regional scarcity. What future for water?
Colombia is set to succeed in its fight against drug trafficking, following the FARC peace deal. But coca-growing farmers worry they will be left without any means of support. Mira Galanova reports.
In Morocco, a big new solar-powered plant for turning seawater into drinking water is being built. Is the business case for renewable-energy-powered desalination technology becoming strong enough to unleash a boom?
With the closing of the last industrial sugar plantation in Hawaii, sustainable agriculture activists see an opening to go back to Hawaii's roots and build a model for profitable organic farming.
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