...variability. Thus the observed increase could be largely due to this natural variability; alternatively this variability and other human factors could have...observations is not likely for a decade or more." In addition, the recent study by the National Academy of Sciences concluded that "there is a reasonable...

...variability. Thus the observed increase could be largely due to this natural variability; alternatively this variability and other human factors could have...observations is not likely for a decade or more." This carefully worded statement underscores the danger of a wait-and-see polity. It makes no sense...

...Jenkins, and J J. Ephraunu (Cambridge: Cambridge Unlvenity Press, 1990), p. 254. variability; altematively this variability and other human factors could have offset a still larger hurnan-mduced greenhouse gas warming."' IT* JPCC notes that there has not • .• l between observed...

...variability, Thus the observed increase could be largely due to this natural variability; alternatively this variability and other human factors could have...from observations is not likely for a decade or more. There are also a number of significant new findings and conclusions which we summarize as follows:...

...variability. Thus the observed increase could be largely due to this natural variability; alternatively this variability and other human factors could have...from observations is not likely for a decade or more. There are also a number of significant new findings and conclusions which we summarize as follows:...

...variability. Thus the observed increase could be largely due to this natural variability; alternatively this variability and other human factors could have...from observations is not likely for a decade or more. There are also a number of significant new findings and conclusions which we summarize as follows:...

...models. Thus, the observed increase could be largely due to this natural variability; alternatively this variability and other human factors could have...from observations is not likely for a decade or more. Measurements from ice cores going back 160,000 years show that the Earth's temperature closely paralleled...

...variability. Thus, the observed increase could be largely due to this natural variability; alternatively this variability and other human factors could have...a still larger human-induced greenhouse warming". In addition, IPCC (1992) concluded that "the consistency between observations of global temperature...

...variability. Thus the observed increase could be largely due to this natural variability; alternatively this variability and other human factors could have...from observations is not likely for a decade or more. There are also a number of significant new findings and conclusions which we summarize as follows:...

...Thus, the observed temperature increase could be largely due to natural variability; alternatively, this variability and other human factors could have...greenhouse effect from observations is not likely fora decade or more. In 1985, according to estimates for the IPCC Working Group III, three-fourths...