Time to step up (1) Su Wei, China's chief negotiator at the UN climate talks in Poznan, tells chinadialogue editor Isabel Hilton why industrialised countries need to get serious about climate change. English English 中文 Share this article × Copy link to page Copy link to page × Copyright Please read our republishing guidelines to get started. China Dialogue February 4, 2009May 14, 2020 Explore topics Energy Climate Food Nature Pollution Ocean Business Forests Justice Water