Reuters: Governments and the private sector are balking at the expense of kick-starting a technology to bury planet-warming gases underground, casting doubts on "clean coal" plans seen vital to help fight climate change. A handful of nations are developing audacious plans to trap and seal beyond reach the greenhouse gas carbon dioxide (CO2) produced from burning fossil fuels in power plants. The technology — carbon capture and storage (CCS) — may help answer the riddle of …