🇩🇪 Germany

This self-powered bike cargo trailer makes for green deliveries

Although the cyclist is guiding the cargo trailer, they don't have to work at actually pulling its weight along behind them.

These solar-powered sleeping pods are made to protect homeless people during winter

They are made out of wood and steel, and each pod can keep up to two people protected from rain, frost, and humidity - while ensuring air circulation.

CityTree

Smart green walls clean urban air

The CityTree is a biological air filter, an innovative communication space and an economic sustainability measure, all in one.