'We had to sue': the five lawyers taking on China's authorities over smog

In an unprecedented legal case, a group of Chinese lawyers have charged the governments of Beijing, Tianjin and Hebei with failing to protect their citizens from air pollution, which is linked to a third of all deaths in the countrySuffocating planet: urban air pollution around the world today – liveWho is responsible for China’s chronic and deadly air pollution? That depends on who you ask. Officials blame the weather or outdoor barbecues, activists blame steel companies and coal-fi