Simulations of the more interesting and better observed twentieth century have been extensively done, and it's widely known that models can do very well with reasonable representations of aerosol and greenhouse forcing (realclimate.org)
Simulations of the more interesting and better observed twentieth century have been extensively done, and it's widely known that models can do very well with reasonable representations of aerosol and greenhouse forcing, but are not known to do as well in the absence of either or both. (realclimate.org)
If this second group is factored in, a downpayment of 25 % is a reasonable representation of the typical homebuyer. (canadianbusiness.com)