The page explains how the datasets from each station is compared — using various statistical techniques — with (up to 40) other stations that are in places with similar climate. (realclimate.org)
Simply find other people with similar cars to yours, who live in similar climates, and find out what they have used and either liked or didn't like. (mechanics.stackexchange.com)
Around the world, hundreds of similar climate - action events took place that same day to bring attention to the issues of climate change. (heidihutner.com)