Forced labor in 19th-century Java cost many lives

In the nineteenth century, Javanese peasants were forced to work on plantations for low wages. This was an economic success, but at the cost of a large number of lives, reveals a study conducted by Pim de Zwart, Daniel Gallardo-Albarrán ...

The principle of aquaponics clearly defined

It is one of the big topics in sustainable food production: aquaponics—the combination of fish farming in aquaculture and plant cultivation in hydroponics. That is the short definition. What convinces consumers is the resource-saving ...

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