Do we declare that we are their big brothers and sisters and know better?

They are burning coal because they want to live like us, all of them.   They don't want a moral lecture from us.

To China's and India's credit, they are expanding their nuclear capacity, but it is still tiny overall.

If China survives climate change, it will have more reactors than either France or Japan within two decades, but that will be nowhere near enough.

The cost of providing one billion chinese with 20,000 euro solar systems and the batteries for night time is some 20 trillion dollars - excluding the huge external cost.   It won't happen.