A German hackathon has led to the development of a number of innovative ideas, including a 3D-printed ventilator.

The company uses carbonisation technology and a hydrocyclone process, providing a sustainable alternative to current waste-management processes.

The Boston area is prioritising official city announcements on its signs and has opened its platform to small businesses and individuals.

The solar-powered electric aircraft is designed to operate unmanned in the stratosphere.

A French company has developed a system that makes it easy to grow plants in urban environments.

A circular process for using natural fibres to duplicate a wide variety of materials normally made from plastics is being developed.

Kamikatsu is showing the way in its drive to become Japan’s first zero-waste municipality.

World War Zero is using influential alliances to urge the world into taking radical steps to end carbon emissions.

Hyperstealth Biotechnology Corp has created an ultrathin material that bends light to render objects invisible.

The AI-powered machine uses satellite geo-location data to save resources, making farming more sustainable.

Seoul’s S-coin will become available during November 2019 for use across a range of public and private services.

Honolulu, Hawaii, plans to use the new concrete, developed by Carbon Cure, in all future infrastructure projects.