Timber cities ‘could cut 100bn tons of CO2 emissions by 2100’

Building new urban homes from wood instead of concrete and steel could save about 10% of the carbon budget needed to limit global heating to 2C this century.

However, Sini Eräjää, Greenpeace’s European food and forests campaign lead, said it would be “a terrible idea” to cut down natural forests and replace them with wood plantations.