<p>Climate change mitigation through greenhouse gas (GHG) reduction or removal from the atmosphere is a global public good that requires significant investments by governments and businesses. Although benefits accrue to all humans, the problem of free-riding arises from such practices. How can the freeriding problem related to climate change mitigation action be resolved? What role do cross-border carbon taxes play in the climate change policy landscape? Who are the front-runners in terms of implementing cross-border carbon taxes and how will they influence shifts in trading flows?</p>
