John Kerry in Beijing: Can US and China set aside rivalry for climate action?

As John Kerry touches down in China, the main question will be whether the

world's biggest superpowers - and polluters - can dispel diplomatic tensions to focus on key climate goals.

Mr Kerry, the US special envoy on climate, is the latest top official–

dispatched from Washington following visits by Antony Blinken and Janet Yellen–

Chinese counterpart Xie Zhenhua and other officials on his four-day trip–

Mr Kerry's office says he wants to engage with China on–

Mr Kerry's office says he wants to engage with China on