Are we really breathing clean air when we sit in our garden or local park? The portable measuring device AirBeam can answer this question—and thanks to its open-source data—also protects other people from the impact of air pollution.

The PFANDGEBEN app helps people in need earn money through bottle refund schemes.

Fish live more safely in Utrecht thanks to a fish doorbell. The project not only helps fish on their migration paths, it also draws attention to the dangers of human infrastructure.

With SUSKULT, plants don't need soil - they're fed by sewage treatment plants. This hydroponic system is breaking completely new ground.

QTrees, a Berlin-based Machine Learning-assisted project, is hoping to protect the city's long-suffering urban trees.

The "h-aero" is a cross between a drone and a zeppelin. It can stay in the air for up to 24 hours and enables completely new types of data collection.

Major transformations are needed to achieve the climate targets in the building sector. Here we provide an overview of the role digital technologies play in the industry.

What if there was a building material that was environmentally friendly, could be processed quickly and could also be completely deconstructed without leaving any residue? This idea is no longer utopian, as these new "briqs" prove.

Awareness, affordability and accessibility to green building technologies have stymied the uptake of green building in Kenya. Jenga Green Library could make things easier.