In Ethics and Global Climate Change Stephen Gardiner argues that the richer nations should pay most of the costs for addressing global warming. What are Gardiner's strongest reasons for believing this Do you find his rationales singly or collectively persuasive? If so, please explain exactly why. If not, please explain exactly why not. In Ethics and Global Climate Change Stephen Gardiner argues that the richer nations should pay most of the costs for addressing global warming. What are Gardiner's strongest reasons for believing this Do you find his rationales singly or collectively persuasive? If so, please explain exactly why. If not, please explain exactly why not.