However,the cooling of about one and one-half to three degrees Celsius is only about half as strong as a real La Nina.

VOA: special.2009.09.29

He says that in the Antarctic Peninsula, scientists estimate that climate change has caused temperatures to increase by two or three degrees Celsius over the past fifty years.

VOA: special.2009.06.03

The Earth takes twenty-four hours to complete one full turn or revolution of three-hundred-sixty degrees.

VOA: special.2010.07.14