Scientific Trust Tracker – MOCKUP

Can you trust Climate Information from these sources? Click any item to see all the feedbacks associated with each source. Read this post for more details on how the Scientific Trust Tracker works. Please keep in mind that this is a mockup based on a small sample of articles from each news outlet. If you … Continued

Water vapor is a greenhouse gas, but it is not a major driver of global warming

Water vapor is fundamentally different from the other greenhouse gasses which directly cause global warming. It leaves the atmosphere in a matter of days and its atmospheric concentration is ultimately governed by temperature. It is critical for the natural greenhouse effect, but it is a negligible contributor to the enhanced greenhouse effect. We already know, beyond any reasonable doubt, that human emissions of the other greenhouse gasses is the primary cause of global warming.

Video of Ian Plimer incorrectly states that human CO2 emissions are not responsible for increased atmospheric CO2 concentrations and global warming

Multiple independent lines of evidence indicate that the present-day increase in atmospheric CO2 is caused by human emissions from fossil fuels and land use change. A significant fraction of annual CO2 emissions remains in the atmosphere each year and has steadily accumulated since the onset of the industrial era, driving global warming. Ocean temperature-CO2 feedbacks are important in millennial-scale glacial-interglacial transitions but do not explain the current atmospheric CO2 increase.