Public Servant Quotes and aphorisms about climate change Saikat Chakrabarti John Holdren ,, Issues of energy, climate change, nuclear arms control and non-proliferation are all big deals. The... John Holdren ,, Any objective look at what science has to say about climate change ought to be sufficient to persua... John Holdren John Holdren Ivo Daalder Tom Bossert Letitia James Letitia James Ben Rhodes