Transport & Highways

New solar, wind and hydropower sources were added in 2015 at the fastest rate the world has yet seen, a study says.

Investments in renewables during the year were more than double the amount spent on new coal and gas-fired power plants, the Renewables Global Status Report found.

Economic arguments have long been at the forefront of the debate over airport expansion in the UK but another topic has fast become vital to the debate.