Climate change poses a severe threat to food production, making it imperative to find sustainable methods. One such method is aquaponics, which grows fish and vegetables together. Now, Ben-Gurion University of the Negev water researchers have offered a proof of concept for a new closed loop system that produced more fish and vegetables while using less energy than conventional systems.
It’s a shame only the introduction is available, I was interested in reading the whole paper.
Edit: if anyone wants to read it, there’s the full pdf available if you search the title on Google scholar.