This is one of those interesting possibilities that is somewhat put to rest through careful analysis of the real world scenario. So is there a way to use the by-products of a harsh winter (snow) to make the summer more temperate (cooler)? It turns out you’d need a very big hole and an awful lot of snow. But what’s nice to know at the end of it all, is that it is still in theory possible. Details in the article. Original find on digg.