Which of the following statements about global warming, according to Lomborg, is true? The increase in global temperature will cost the world $14.5 trillion by 2100, but following Kyoto Protocols will cost $15.8 trillion. The increase in global temperature will cost the world $15.8 trillion, but following Kyoto Protocols will cost $14.5 trillion. Reducing carbon emissions is the least expensive way to curb global warming. Following the Kyoto Protocols solves the temperature warming problem most economically.