in a paper published online this week in the journal of geophysical research-atmosphere, economics professor ross mckitrick says the resulting discrepancies may be leading to an overstatement of the role of greenhouse gases in the atmosphere.
in a paper published online this week in the journal of geophysical research-atmosphere, economics professor ross mckitrick says the resulting discrepancies may be leading to an overstatement of the role of greenhouse gases in the atmosphere.
greenhouse gas:98
the 2007 fourth assessment report compiled by the ipcc (ar4) noted that "changes in atmospheric concentrations of greenhouse gases and aerosols, land cover and solar radiation alter the energy balance of the climate system", and concluded that "increases in anthropogenic greenhouse gas concentrations is very likely to have caused most of the increases in global average temperatures since the mid-20th century".