Full-text search Fulltext search 6 Resultate Converting plastic waste into fuel Scientists have developed a new method to convert plastic waste into hydrogen through pyrolysis, a high-temperature chemical process. Twelve fans filter the air near Reykjavik To slow down climate change, a new type of plant in Iceland filters CO2 from the air. This is then mixed with water and injected into basalt. There it petrifies. A house in the spirit of the circular economy The ZHAW has built a house according to the closed-loop principle: Nutrients extracted from urine serve as fertiliser, rainwater is processed into drinking water. And much more besides. Knitted roads Road pavements require bitumen as a binder. But its production has many disadvantages. Empa researchers are now experimenting with string, which holds gravel together without the need for concrete - and is also more flexible, more permeable to rainwater and more environmentally friendly. An opportunity for sustainable urban development Viennese complexity researchers have found a method to predict the growth of cities. This could facilitate much more efficient urban development and help conserve resources.