Take a glass of water and put an ice cube in and then mark the glass where the water level is at. After the ice cube melts you will notice that the water level hasn't changed from its orginal level.
Congratulations. Keep that up and you'll be almost smart enough to be Polish in your next life.
There was even an article recently with some clown wanting to make it a "hate crime" to be a "Global Warming Denier".
Which only betrays how dangerous these whack-jobs really are.