Jakarta Post: To the surprise of many, COP21 2015 has finished in Paris with a spectacular achievement. The target is to hold the increase in the global average temperature to below 2 degrees Celsius above preindustrial levels and pursuing efforts to limit the temperature increase to 1.5 degrees Celsius. In spite of its success, COP21 ignored the risk of water scarcity, which is closely related to climate change. From the other side, many issues about financing the agreement are left hanging in the air. The...