With the help of the Jazamiti app, Kenyans can select and plant trees based on their ecological zones, as the country races to restore its tree cover.

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.

Violence, corruption and infrastructure inefficiencies mean that humanitarian aid delivery is often hindered. Track & Trust hopes to help it along the last mile to those in need.

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?

International train travel is at least 4.5 times more environmentally friendly than flying. So why is it still so complicated to book routes?

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.

Methane is one of the planet's most dangerous greenhouse gases. A new satellite—the size of a washing machine—is set to provide vital data.