The main reason that our carbon emissions have fallen in the UK is that we have exported them to China. But as China becomes a consumer society, where will they export their environmental problems to in turn?
The world’s first vertical forest is being built in Milan. Why cover a tower block in trees, other than it being prettier than concrete? Because the trees shade the balconies, aerating and cooling the building. They add humidity to Milan’s dry heat, and they block wind, dust and noise.