The world's leading climate scientists, in their most powerful language ever used on the issue, said globalwarming is "very likely" man-made, according to a new report obtained Friday by The Associated Press.
The report provides what may be cold comfort in slightly reduced projections on rising temperatures and sea levels by the year 2100. But it is tempered by a flat pronouncement that global warming is essentially a runaway train that cannot be stopped for centuries.
"The observed widespread warming of the atmosphere and ocean, together with ice-mass loss, support the conclusion that it is extremely unlikely that global climate change of the past 50 years can be explained without external forcing, and very likely that is not due to known natural causes alone," said the 20-page report.
Human-caused warming and rises in sea-level "would continue for centuries" because the process has already started, "even if greenhouse gas concentrations were to be stabilized," said the 20-page report from the Intergovernmental Panel on Climate Change.
The report by a group of hundreds of scientists and representatives of 113 governments contains the most authoritative science on the issue.
Source: CNN
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