Seafood represents the largest traded food commodity market in the world. 3 billion people depend on fish and other farmed or wild-caught foods as a source of protein, according to figures from the World Wildlife Fund. Regretfully, the majority of fish stocks are not sustainable, as they are overfished or fully exploited. Seeking sustainable and […] The post An Introduction to Aquaponics | Jonathan Martinetto appeared first on The Permaculture Podcast.