cities including san francisco, los angeles, — cities including san francisco, los angeles, mexico, oslo and budapest, haveioined_ angeles, mexico, oslo and budapest, have joined as part of the c40 declaration to halve the construction emissions of new buildings _ construction emissions of new buildings by 2030, so lots more momentum from the cities and regions and the _ momentum from the cities and regions and the complex construction chain. thank— and the complex construction chain. thank you — and the complex construction chain. thank you. we and the complex construction chain. thank ou. ~ ., ~ and the complex construction chain. thank ou. ~ ., ,, , ., , thank you. we will take questions from the floor _ thank you. we will take questions from the floor now. _ thank you. we will take questions from the floor now. can _ thank you. we will take questions from the floor now. can you - thank you. we will take questions from the floor now. can you state | from the floor now. can you state your— from the floor now. can you state your name — from the floor now. can you state your name

thank you forjoining us from oslo. a group of mps has called for a pause in the roll—out of smart motorways — until the government can prove they are safe. the updates to the motorway system are intended to increase capacity, but safety campaigners say they've contributed to deaths on the roads. here s our transport correspondent, caroline davies. marching through westminster yesterday. each coffin represents someone killed on a smart motorway. protesters want the hard shoulder to be brought back. more of england's roads are being turned into smart motorway intended to ease congestion. some have had the hard shoulder removed to add an extra lane without having to use more land. if a car breaks down in a live lane, a red cross tells other drivers not to drive it. now a group of mps have said that they think no more should be built for years until there is more data to prove whether or not smart motorways are safe. at the moment, we only have a five year evaluation record of 29 miles of smart motorway, because they a