Others are watching their citizens die in floods, hurricanes and heat waves, all exacerbated by climate change. “This ‘climate change,’ it’s the greatest con job ever perpetrated on the world, in my opinion,” Trump said. “All of these predictions made by the United Nations and many others, often for bad reasons, were wrong. “Millions of people around the world can already testify to the devastation that climate change has brought to their lives,” she said. Dessler said the term was coined by oiil companies and may have been designed to shift the responsibility for combatting climate change away from corporations to individuals.