Is existing solar tech insufficient?
And India as well as much of ASEAN view coal and ONG as core stopgaps or important intermidate inputs for their own industrialization efforts (eg. Steelmaking has hard dependencies on thermal coal, roadbuilding and concrete have hard oil dependencies as intermediate parts).
Much of the overall impact from GHGs comes from the hard industrial dependencies in fertilizers, steel, pharmaceuticals, and other heavy industries that countries need to industrialize.