In their award winning book, "Taken By Storm" (2007), Canadian researchers Christopher Essex and Ross McKitrick explain: "Temperature is not an amount of something [like height or weight].
Mr. Essex and Mr. McKitrick explain, "But the Doctrine is not true. Each assertion is either manifestly false or the claim to know is false. Climate is one of the most challenging open problems in modern science. Some knowledgeable scientists believe that the climate problem can never be solved."