We cannot lower carbon emissions if we keep producing steel with fossil fuels.
Consumer societies produce enough plastic waste to power at least 10% of motorized road traffic. Dutch designer Gijs Schalkx grabbed the opportunity and now drives his car on the waste he collects.
Cycling is the most sustainable form of transportation, but the bicycle is becoming increasingly damaging to the environment. The energy and material used for its production go up while its life expectancy decreases.
If we build them out of wood, large wind turbines could become a textbook example of the circular economy.
As long as we keep accumulating raw materials, the closing of the material life cycle remains an illusion, even for materials that are, in principle, recyclable.
Flushing the water closet wreaks ecological havoc, deprives agricultural soils of essential nutrients and makes food production dependent on fossil fuels.