Tests on cabbage plants suggest fertilisers derived from human urine and faeces are safe and could help bring down food prices. Fertilisers derived from recycled human urine and faeces are just as safe and effective as conventional ones, according to tests on cabbage plants. Using human waste in this way could help alleviate the fertiliser […]
sustainability
Turning city planning into a game
Ursula Eicker lets people play around while designing the cities of the future. Ursula Eicker builds ‘digital twins’ of cities, and she hopes to someday build one for yours. Her research team creates sophisticated computer models to explore how building materials, energy sources and people’s mobility patterns affect the energy use and carbon emissions of […]
Aquaculture Doesn’t Reduce Pressure on Wild Fish
If anything, the rise of farm-raised fish has increased our desire for seafood. Aquaculture is often promoted as a sustainable alternative to catching wild fish—a way to reduce pressure on overexploited stocks while providing affordable and necessary protein for people’s diets. It’s an argument put forward by major international organizations like the World Bank and […]