China and India's emissions, page-361

What makes you think they'll will be using them for 50 years ? They will replaced with superior technology inside 20.

" Based on the fast growth, investment in renewable energy has a promising future. China has spent more on clean energy infrastructure than the United States and the European Union combined. Despite the country’s huge demand for fossil fuels, investment in low-carbon power generation and clean energy technologies is expected to exceed US$6 trillion over the next 20 years. "

https://www.renewableenergyworld.com/2019/12/01/end-of-the-year-wrap-up-five-figures-show-chinas-renewable-energy-growth-in-2019/#gref

They've built an awful lot of buildings that they don't even use.

Dream on.