Ashley Dawson perpetuates the nutty idea that science can accurately state that mankind is responsible for global warming. Because the physics of climate is not well known, climate change can not be rigorously calculated. In addition, the calculations if possible would require that the initial state of the system to be well described, which it's not at present. Therefore, the "scientists" have created models of the climate with semi-adjustable parameters. These parameters are changed to fit what little past data is known. The idea that these parameters will be sufficient to predict climate 100 years into the future is mere speculation, and the idea that the effects of CO2 are determinate has not been proven. Unfortunately, the amount of money the government has pumped into the climate science community has corrupted its judgment. The scientists in this community are discrediting real science.