Have a look at these images below and you’ll find out how global warming looks like. It seems a bit contradict, but it’s true. Global warming might actually manifest by temperature going down, because of icebergs melting down and cold water getting into oceans, the temperature of water will get down and temperature of hot water streams such as Golf stream will get down, which will further effect global climate. It actually makes sense, but it’s still ironic! 
