segunda-feira, 2 de janeiro de 2017

Climatologia controversial

Crumbling ‘Consensus’: 500 Scientific Papers Published In 2016 Support A Skeptical Position On Climate Alarm

Climate science is supposed to be settled, right?
We are told that there is an overwhelming agreement, or consensus, among scientists that most weather and climate changes that have occurred since the mid-20th century have been caused by human activity — our fossil fuel burning and CO2 emissions in particular.  We are told that natural mechanisms that used to dominate are no longer exerting much of any influence on weather or climate anymore.  Humans predominantly cause weather and climate changes now.
For example, we are told that extreme weather (hurricanes, droughts, floods, storms) frequencies and intensities have increased since about 1950 primarily due to the dramatic rise in anthropogenic CO2 emissions since then.  Humans are now melting glaciers and ice sheets and (Arctic) sea ice at an alarmingly accelerated rate — reminiscent of an impending “death spiral“.  Humans now  heat up and acidify the oceans down to depths of thousands of meters by burning fossil fuels.   Humans are now in the process of raising sea levels so that they will catastrophically rise by 10 feet in the next 50 years.   Because of our CO2 emissions, humans are now endangering the long-term survival of 100s of thousands of animal species (especially polar bears), and climate models say we will cause a million species extinctions over the next 33 years with our CO2 emissions.   The Earth is even spinning slower, or faster, no, slower, well, faster — due to human activities.  Again, this is all settled science.  Only those who possess the temerity to deny this science (“climate deniers”) would disagree, or refuse to believe.
But what if much of what we have been told to believe is not actually true?   What if scientists do not overwhelmingly agree that humans have dominated (with ~110% attribution) weather and climate changes since about 1950, which is what we have been told by the UN IPCC?   What if scientists do not overwhelmingly agree that natural factors exert effectively no influence on weather and climate changes anymore — now that humans have taken over?
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