Mike Unsworth is the director of engineering and construction at Tidal Lagoon Power. Here, the mechanical engineer tells Ines Nastali what materials will be used to build the planned tidal power lagoons in Wales and explains how to maintain them.
Crossrail’s boring machines excavated 42km of tunnels for the new train line that will run through the south east of England in 2019, but what happens to the excavated material? Ines Nastali investigates.
In the last ten years, the number of local authorities collecting beverage cartons at kerbside has jumped from 10% to 67%. Mandy Kelly, from The Alliance for Beverage Cartons and the Environment, outlines how it was done.