Country seen as biggest carbon emitter for decades.
Targets seen as relic of command economy.
While old-style rhetoric continues, Pyongyang in practice plays up comparative advantages in cheap labor and coal.
A new five-year plan may cap generating capacity, though demand for power continues to grow.
Experts clash over real rate of growth.
Program seeks private investment under state control.
Former top Communist Party official Bao Tong weighs into what has been a trending topic on China's tightly controlled Internet.