Sentences with phrase «for human contribution to global warming»

Not exact matches

Kyoto regulates all sources of carbon dioxide as well as other greenhouse gases, but reliable long - term data by country are available only for carbon dioxide from burning fossil fuels (which accounts for about two - thirds of the human contribution to global warming).

The IPCC was recognized for its contributions over the last two decades to create an «an ever - broader informed consensus about the connection between human activities and global warming.

Policymakers are only too happy to substitute answers for insights, though, and are given to report that «we know» the human contribution to global warming when, of course, we know no such thing.

For those desiring papers with more explicit positions on the cause of global warming, we also used categories that only included papers that explicitly quantified the human contribution to global warming.

The Cato Institute's Patrick Michaels, for instance, has written several books acknowledging human contributions to global warming.

Second, we did look for papers that quantify the human contribution to global warming, and most are not that specific.

Compared to previous HadEX / CMIP3 - based results, which identified human contributions to the observed warming of extreme temperatures on global and regional scales, the current results provide better agreement with observations, particularly for the intensification of warm extremes.

E.g., research assumes greenhouse gas emissions cause warming without explicitly stating humans are the cause»... carbon sequestration in soil is important for mitigating global climate change» (4a) No position Does not address or mention the cause of global warming (4b) Uncertain Expresses position that human's role on recent global warming is uncertain / undefined «While the extent of human - induced global warming is inconclusive...» (5) Implicit rejection Implies humans have had a minimal impact on global warming without saying so explicitly E.g., proposing a natural mechanism is the main cause of global warming»... anywhere from a major portion to all of the warming of the 20th century could plausibly result from natural causes according to these results» (6) Explicit rejection without quantification Explicitly minimizes or rejects that humans are causing global warming»... the global temperature record provides little support for the catastrophic view of the greenhouse effect» (7) Explicit rejection with quantification Explicitly states that humans are causing less than half of global warming «The human contribution to the CO2 content in the atmosphere and the increase in temperature is negligible in comparison with other sources of carbon dioxide emission»»

Our survey also included categories for papers that quantified the human contribution to global warming.