If your point is that nobody knows the future, point taken. But is that a reason not to do anything?
The Vostok core showed that atmospheric carbon dioxide increased by approximately 80 ppm over a span of 10,000 years, between the Last Glacial Maximum and the pre-industrial times of the Holocene. In the past 200 years the atmospheric carbon dioxide has again increased by 80 ppm to the present 360 ppm, most of the increase in the past 50 years.
The earth is warmer now than it has been at any time in the past 2,000 years, the most comprehensive study of climatic history has revealed.
Confirming the worst fears of environmental scientists, the newly published findings are a blow to sceptics who maintain that global warming is part of the natural climatic cycle rather than a consequence of human industrial activity.
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