Authorities impose restrictions on bike hire after huge group blocks a highway between Zhengzhou and Kaifeng in China, as night biking trend takes off

Air Canada appears to have quietly killed its costly chatbot support.

A South Yorkshire tech centre has extracted carbon dioxide in a project that could reshape aviation travel

The charity Cycling UK has released new analysis showing that the number of people killed while cycling, per billion miles, on British roads fell by nearly a quarter compared with pre-pandemic years.

Contrails currently account for a third of global warming from aviation

Move by city council follows action to limit public cannabis use and to discourage wild partying by young Britons