Politics When emissions decrease, people's asthma gets better After four Kentucky coal plants reduced emissions, people in the surrounding areas stopped needing their inhalers as much.
Solutions www.ft.com Pollution: the race to clean up the shipping industry New rules aim to reduce sulphur emissions from one of the world's most polluting sectors but higher fuel prices are likely.
Elon Musk has criticized environmental regulations. His companies have been accused of sidestepping them.