🇩🇪 Germany

This company makes prefab facades that make old buildings energy efficient

To make for an even sweeter deal, these panels could be installed in as little as 20 minutes.

This pathway for bikes and pedestrians can generate energy for charging stations

The concept envisions a partially-enclosed rounded archway, built with superimposed non-reflective glass solar panels, attached to round tube steel purlins.

These wind-powered street lamps aim to reduce light pollution

The motion-activated design uses wind to power its turbines and has an extra-warm, insect-friendly color temperature.

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.