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old-fashioned - adj. of or relating to the past
global warming - n. the recent increase in the world's temperature that is believed to be caused by the increase of certain gases (such as carbon dioxide) in the atmosphere
pinch oneself - idiom. used to express that you do not believe that a good thing is really happening
actually - adv .used to refer to what is true or real
credibility - n. the quality of being believed or accepted as true, real, or honest
motivated - adj. giving (someone) a reason for doing something
refer - v. to send (someone or something) to a particular person or place for treatment, help, advice, etc.
proper - adj. correct according to social or moral rules
convince - v. to cause (someone) to believe that something is true
