| United States. Congress. Senate. Committee on Energy and Natural Resources - 1991 - 116 pages
...globe. The size of this warming is broadly consistent with predictions of climate models, but it is also of the same magnitude as natural climate variability....still larger human-induced greenhouse warming. The unequivocal detection of the enhanced greenhouse effect from observations is not likely for a decade... | |
| United States. Congress. Senate. Committee on Energy and Natural Resources - 1992 - 476 pages
...C over the last 100 years) is broadly consistent with predictions of climate models, but it is also the same magnitude as natural climate variability....and other human factors could have offset a still large, human-induced greenhouse warming". Clearly the IPCC did state that the cause of the observed... | |
| United States. Office of Science and Technology Policy - 1993 - 206 pages
...of the observed global warming is broadly consistent with the predictions of climate models, it is also of the same magnitude as natural climate variability....this variability and other human factors could have hidden a still larger human-induced greenhouse warming. The consistency between observations of global... | |
| 1992 - 260 pages
...then the implied climate sensitivity would be near the lower end of the range inferred from models. Thus, the observed increase could be largely due to...still larger human-induced greenhouse warming. The unequivocal detection of the enhanced greenhouse effect from observations is not likely for a decade... | |
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