The Elephant in the Room.
Most of us find it a bit uncomfortable to talk about the climate changes and what might happen if we fail to keep the increase in the earths temperature under the level of two degrees. Therefore we often try to avoid the subject. It becomes "an elephant in the room".
But according to some people the climate changes do not exist, and if they do, they are part of a natural process that we can do nothing about. One of those people is the norwegian politician Carl I Hagen.
Carl I Hagen has also made an explanation that shows why the climate changes cannot be caused by human activities.