The zero emissions city will not charge any income, property or municipal taxes.

In the recent video, the three Royal Marine jet suit pilots demonstrate how the suits could assist in a ship boarding operation.

Denmark is building the world’s first “energy island”, an artificial landmass designed to hold wind turbines that will produce enough energy to power three million European households.

The Oak Ridge National Laboratory is developing technology that would allow the 3D-printing of nuclear reactor cores.

The Blueprint platform provides bespoke recommendations based on each donor’s stated preferences.

Democratic candidate Alicia Reece is aiming to provide voters with important tools and information to increase turnout in the upcoming election.

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.