Leading climate change experts discuss one of the most complex scinetific puzzles ever to confront humankind. How do we know the earth is warming? How do we know the warming is caused by rising levels of carbon dioxide? How close are we to having all the answers?
Climate Modeling What is a computer climate model? How do you begin to model the climate? How do scientists know if computer models are simulating climate change correctly? How can the findings of paleoclimatologists help validate climate models? Are there some predictions that climate modelers are more certain of than others? What are some of the limitations of current climate models? Scientists need computers to create climate models. Is the technology keeping up with their needs? Can hurricanes be accurately modeled in a computer?