An assessment of the primary sources of spread of global warming estimates from coupled atmosphere — ocean models. (nature.com)
In fact, there is an accumulating body of reviewed, published research shaving away the high end of the range of possible warming estimates from doubled carbon dioxide levels. (dotearth.blogs.nytimes.com)
When one flaw is fixed, they say, the analysis produces a much warmer estimate of future climate. (dotearth.blogs.nytimes.com)