The Meeting at Beijing to cope with the warming world & rising sea comes to a wait & see situation. Why Wait?

No one seem to want to leader in the movement........China wait for US & US will wait for the EU.....and so on & on........end up nothing.....just talk. Even the World's Organisations : OECD, UN, IMF, World Bank, Apec, NATO, UNESCO. ASEAN......no say, no do, just watch...........HOW TO SOLVE?