On Sunday, senior cabinet cadres officially unveiled the nameplate of China’s newly-created Ministry of Ecology and Environment (MEE). The mega-department, after absorbing functions originally under other ministries, will see its staff increase from around 300 to 500. The ministry’s senior officials hailed the reform as a remedy for the fragmented and overlapping structure that has long plagued China’s environmental governance. For the first time in China, emissions of CO and CO2 will be regulated by a single supervisor. Yet what does it mean for the international efforts to fight global warming – already battered by the US threat to pull out of Paris Agreement under president Donald Trump?