Net zero will only be achieved if we capture the excess carbon in the atmosphere. Thanks to new research, capturing carbon with light is now a viable, cost-effective method of carbon capture.

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.

Rebo's high-tech reusable water bottle collects plastic waste from the beach every time you drink. But will growing sales of reusable water bottles save our oceans, or are they a sign of ever-more consumerism?

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

3D samples could reduce waste in fashion's supply chain, cutting emissions from this highly polluting industry.

Instead of lying in a drawer, your old mobile phone could help people on escape routes. The "Wir packen's an" association reveals how this works.

Deep Green uses waste heat from its data centres to heat swimming pools, reducing their carbon emissions and keeping them afloat as energy costs soar.

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.

PolArctic, a start-up using modelling technology and artificial intelligence to create a digital twin of the Arctic, will map out existing climate impacts on the area – and predict new ones.