Before delving into the fact check, let us first fully understand what only 3% of CO2 emissions due to human activity means: 1. Since it has been over 200 years since the Industrial Revolution, it is safe to assume that human activity has been factored into the Earth's carbon cycle. Remember that most of the CO2 emitted into the atmosphere does not stay there, it is absorbed back into the Earth, for example by plants on land and phytoplankton in the oceans 2. 0.0415% (415 parts per million) of Earth's atmosphere is CO2 3. This means that 0.0415% x 0.97, i.e. 0.040255% (402.55 parts per million) of the Earth's atmosphere is CO2 emitted by NATURAL sources 4. And this also means that 0.0415% x 0.03, i.e. only 0.001245% (12.45 parts per million) of the Earth's atmosphere is CO2 emitted by human activity 5. If humans had been wiped out by a large asteroid or a supervolcano in the 18th century, atmospheric CO2 would still have NATURALLY risen by (415-275) x 97%, i.e. by 135.8 parts per million (ppm) - from 275 ppm to 410.8 ppm between the end of the Little Ice Age (around 1850) to 2019. 6. The quasi-religious belief often repeated on mainstream media that the Earth is tranquil and stable by nature, that there is a natural balance in the carbon cycle is a complete myth. CO2 concentrations in the atmosphere have varied widely over the course of Earth's history with no correlation whatsoever to global temperature. For details see this separate fact check. Note: Just for completeness, it should also be noted that human beings are NATURAL as well. We are not some alien infestation on Planet Earth Now let us prove that only 3% of CO2 emissions into the atmosphere are due to human activity: I. Professor David Karoly who participated in the preparation of the 4th Assessment Report of the IPCC (Intergovernmental Panel on Climate Change) CONFIRMED that only 3% of CO2 emissions into the atmosphere are due to human activity in an interview with Australian Radio Commentator Alan Jones on May 25th, 2011 Biography: Professor David Karoly completed his Bachelor of Science (Hons) degree in Applied Mathematics in 1976 from Monash University and was awarded his PhD in Meteorology from the University of Reading in England in 1980. From 1995 to 2000 he was the Director of the Cooperative Research Centre for Southern Hemisphere Meteorology at Monash University and during 2001-2002 he was Professor of Meteorology and Head of the School of Mathematical Sciences at Monash University. From 2003-2007 he was the Williams Chair Professor of Meteorology at the University of Oklahoma. He returned to Australia in 2007 as an ARC Federation Fellow and Professor of Meteorology at the University of Melbourne – which finished in May 2012. His current position is Professor of Atmospheric Science at Melbourne University’s School of Earth Sciences. Professor Karoly’s research focuses on climate variability and climate change, including greenhouse climate change, stratospheric ozone depletion and interannual climate variations due to El Niño-Southern Oscillation. He is recognised as one of the leading global experts on the dynamics of large-scale atmospheric circulation in the Southern Hemisphere and its variability. He is also recognised as a world leader in the detection and attribution of climate change, particularly at regional scales. Recently, he has been studying the impacts of climate change on weather extremes and their impacts on human and natural systems. Professor Karoly is a member of the Climate Change Authority, established in 2012 as an independent body that provides expert advice on the operation of Australia’s carbon price, emissions reduction targets and other Australian Government climate change mitigation initiatives. In 2013, he became a member of the Scientific Steering Committee for the World Meteorological Organization (WMO)/United Nations Environment Programme Scientific Assessment of Ozone Depletion 2014. During 2011-2012, he was a member of the Joint Scientific Committee that provides scientific oversight to the World Climate Research Programme. From 2008-2009 he was Chair of the Premier of Victoria's Climate Change Reference Group. He is also a member of the Wentworth Group of Concerned Scientists. Professor Karoly was involved, through several different roles, in the preparation of the Intergovernmental Panel on Climate Change (IPCC) 4th Assessment Report and was a Review Editor for a chapter in the IPCC 5th Assessment Report. Recent awards received include the 2014 Morton Medal of the Australian Meteorological and Oceanographic Society for “leadership in meteorology, oceanography, climate and related fields, particularly through education and the development of young scientists” and the 2015 Royal Society of Victoria Medal for Scientific Excellence for “excellence and leadership in scientific research in the Earth Sciences”. Naturally Professor David Karoly no longer remembers what he said on the radio, but below is audio of his May 25th, 2011 radio interview with CATEGORICALLY CONFIRMS that he said only 3% of CO2 emissions are due to human activity: Start at position 2:57 of below video II. Jonathan DuHamel (WryHeat) and Anthony Watts on July 29th, 2014: "EPA document supports ~3% of atmospheric carbon dioxide is attributable to human sources" "A new post on The Hockey Schtick reviews a new paper “that finds only about 3.75% [15 ppm] of the CO2 in the lower atmosphere is man-made from the burning of fossil fuels, and thus, the vast remainder of the 400 ppm atmospheric CO2 is from land-use changes and natural sources such as ocean outgassing and plant respiration.” This new work supports an old table from the Energy Information Administration which shows the same thing: only about 3% of atmospheric carbon dioxide is attributable to human sources. The numbers are from IPCC data. Look at the table and do the arithmetic: 23,100/793,100 = 0.029. URL for table: http://www.eia.doe.gov/oiaf/1605/archive/gg04rpt/pdf/tbl3.pdf" Since 2014 the EPA document referenced above has mysteriously disappeared (naturally!), but screenshots are forever: III. An article from Skepticalscience.com, a globalist climate change propaganda outlet, keeps spreading the myth that everything in Earth's natural carbon cycle has always been in perfect equilibrium and bad humans disrupted this stability (when a study of Paleo CO2 concentrations over the past 500 million years and absolute lack of correlation with global temperatures completely debunks this myth). But the article also contains data on human vs. natural CO2 emissions! "Manmade CO2 emissions are much smaller than natural emissions. Consumption of vegetation by animals & microbes accounts for about 220 gigatonnes of CO2 per year. Respiration by vegetation emits around 220 gigatonnes. The ocean releases about 332 gigatonnes. In contrast, when you combine the effect of fossil fuel burning and changes in land use, human CO2 emissions are only around 29 gigatonnes per year." Let us do the math with the above data! Guess what? Human CO2 emissions are calculated at 3.6% of total emissions! Natural CO2 emissions:
Human CO2 emissions: 29 gigatons (3.6%) TOTAL CO2 emissions (natural+human): 801 gigatons Amazingly the Skepticalscience.com article makes no mention of unpredictable volcanic eruptions which spew all kinds of gases into the atmosphere including water vapor (H2O), carbon dioxide (CO2), sulfur either as sulfur dioxide (SO2) (high-temperature volcanic gases) or hydrogen sulfide (H2S) (low-temperature volcanic gases), nitrogen, argon, helium, neon, methane, carbon monoxide and hydrogen. Volcanoes have been a major factor in natural climate change during earth's history, including during the period of human existence on the planet. Examples include:
One would guess that volcanoes would have disrupted the fairy tale in the rest of the Skepticalscience.com article about how beautiful, gentle Earth has always been in perfect balance until evil, unnatural human beings came along! Sources:
- youtu.be/ViY2J3LPgN4 - www.climatescience.org.au/staff/profile/dkaroly - wryheat.wordpress.com/2014/07/19/only-about-3-of-co2-in-atmosphere-due-to-burning-fossil-fuels - wattsupwiththat.com/2014/07/29/epa-document-supports-3-of-atmospheric-carbon-dioxide-is-attributable-to-human-sources - hockeyschtick.blogspot.com/2014/07/new-paper-finds-only-375-of-atmospheric.html - skepticalscience.com/human-co2-smaller-than-natural-emissions.htm - en.wikipedia.org/wiki/Volcanic_gas - en.wikipedia.org/wiki/1883_eruption_of_Krakatoa - en.wikipedia.org/wiki/Toba_catastrophe_theory - en.wikipedia.org/wiki/List_of_large_volcanic_eruptions
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