DAVID SHEARMAN. Climate change diplomacy, one big step for humanity

As fire, flood and drought ravage swathes of the Earth, communities around the world are realising that climate change is accelerating and climate emergencies are declared. Many governments fail to act and quibble about fulfilling the meagre responsibilities of the Paris agreement. Some others seek to pressure the recalcitrants. This might be called climate “diplomacy” but it could include the twisting of arms if necessary.