Z: You can bring a thirsty donkey to the water but you cannot make it drink.
http://en.wikipedia.org/wiki/Global_warming
"The extent of the scientific consensus on global warming—that "most of the observed warming over the last 50 years is likely to have been attributable to human activities"[1]—has been investigated: In the journal Science in December 2004, Dr Naomi Oreskes published a study of the abstracts of the 928 refereed scientific articles in the ISI citation database identified with the keywords "global climate change" and published from 1993–2003. This study concluded that 75% of the 928 articles either explicitly or implicitly accepted the consensus view—the remainder of the articles covered methods or paleoclimate and did not take any stance on recent climate change. The study did not report how many of the 928 abstracts explicitly accepted the hypothesis of human-induced warming, but none of the 928 articles surveyed accepted any other hypothesis[1]."
Z: You can learn about a person from the company he keeps.
http://en.wikipedia.org/wiki/List_of_Kyoto_Protocol_signatories
Z.