The fossil fuel industry is saving life on earth! | | THE POSITIVE IMPACT OF HUMAN CO2 EMISSIONS ON THE SURVIVAL OF LIFE ON EARTH
Life and geologic forces have been removing carbon from the atmosphere for hundreds of millions of years and carbon has gotten to near starvation levels during recent ice ages. Life on earth is endangered by the low levels of CO2. Burning fossil fuels is reversing that horrible trend. We owe a debt of thanks to the coal, oil, and gas industries for SAVING LIFE ON EARTH!
Excerpts from the opening of a June paper by PATRICK MOORE (Formerly of Greenpeace) below:
EXECUTIVE SUMMARY
This study looks at the positive environmental effects of carbon dioxide (CO2) emissions, a topic which has been well established in the scientific literature but which is far too often ignored in the current discussions about climate change policy.
All life is carbon based and the primary source of this carbon is the CO2 in the global atmosphere. As recently as 18,000 years ago, at the height of the most recent major glaciation, CO2 dipped to its lowest level in recorded history at 180 ppm, low enough to stunt plant growth. This is only 30 ppm above a level that would result in the death of plants due to CO2 starvation.
It is calculated that if the decline in CO2 levels were to continue at the same rate as it has over the past 140 million years, life on Earth would begin to die as soon as two million years from now and would slowly perish almost entirely as carbon continued to be lost to the deep ocean sediments.
The combustion of fossil fuels for energy to power human civilization has reversed the downward trend in CO2 and promises to bring it back to levels that are likely to foster a considerable increase in the growth rate and biomass of plants, including food crops and trees. Human emissions of CO2 have restored a balance to the global carbon cycle, thereby ensuring the long-term continuation of life on Earth.
This extremely positive aspect of human CO2 emissions must be weighed against the unproven hypothesis that human CO2 emissions will cause a catastrophic warming of the climate in coming years.
The one-sided political treatment of CO2 as a pollutant that should be radically reduced must be corrected in light of the indisputable scientific evidence that it is essential to life on Earth.
INTRODUCTION
There is a widespread belief that CO2 emissions from the burning of fossil fuels for energy are a threat to the Earth’s climate and that the majority of species, including the human species, will suffer greatly unless these emissions are drastically curtailed or even eliminated. This paper offers a radically different perspective based on the geological history of CO2.
CO2 is one of the most essential nutrients for life on Earth. It has been approaching dangerously low levels during recent periods of major glaciation in the Pleistocene Ice Age, and human emissions of CO2 may stave off the eventual starvation and death of most life on the planet due to a lack of CO2.
This is not primarily a discussion of the possible connection between CO2 and global warming or climate change, although some mention must be made of it. There has been a great deal of discussion on the subject, and it is hotly contested in both scientific and political spheres.
There is no question that the climate has warmed during the past 300 years since the peak of the Little Ice Age. There is also no question that CO2 is a greenhouse gas and all else being equal, the emissions would result in some warming if CO2 rose to higher levels in the atmosphere.
Yet, there is no definitive scientific proof that CO2 is a major factor in influencing climate in the real world. The Earth’s climate is a chaotic, non-linear, multivariant system with many unpredictable feedbacks, both positive and negative.
Primarily, this is a discussion about the role of atmospheric CO2 in the maintenance of life on Earth and the positive role of human civilization in preventing CO2 from trending downward to levels that threaten the very existence of life.
It is an undisputed fact that all life on Earth is carbon based and that the source of this carbon is CO2, which cycles through the global atmosphere. The original source of CO2 in the atmosphere is thought to be massive volcanic eruptions during the Earth’s early history, the extreme heat of which caused the oxidation of carbon in the Earth’s interior to form CO2.
Today, as a minor gas at 0.04 per cent, CO2 permeates the entire atmosphere and has been absorbed by the oceans and other water bodies (the hydrosphere), where it provides the food for photosynthetic species such a phytoplankton and kelp. If there were no CO2 or an insufficient level of CO2 in the atmosphere and hydrosphere, there would be no life as we know it on our planet.
On a relatively short-term basis (years to hundreds of years), the carbon cycle is a complex series of exchanges among the atmosphere, the hydrosphere, living species and decomposing organic matter in soils and sediments. Over the long term (millions to billions of years), the majority of the carbon that has been absorbed from the atmosphere by plants has been lost to the cycle into deep deposits of fossil fuels and carbonaceous rock (minerals) such as chalk, limestone, marble and dolomite.
By far the majority of the carbon sequestered over the long term is in the form of carbonaceous rock. We do not have a good estimate of the total amount of CO2 that has been emitted from volcanic activity into the global atmosphere. We do not know the total amount of carbon that has been lost to long-term sequestration in fossil fuels and carbonaceous rock, but we do have order-of-magnitude estimates.
We do have quantitative estimates of the level of CO2 in the atmosphere going back more than 600 million years, i.e., the net result of additions from volcanic events, losses to deep deposition in carbonaceous rocks and fossil fuels, the biomass of living species and decomposing organic matter. These estimates become more accurate the closer they are to the present. This paper will focus on the past 540 million years and in particular the past 140 million years.
The best estimate of CO2 concentration in the global atmosphere 540 million years ago is 7,000 ppm, with a wide margin of error. For the sake of discussion, we will accept that number, which indicates a mass of more than 13,000 billion tonnes (Gt) of carbon in the atmosphere, 17 times the present level, during the Cambrian Explosion, when multicellular life evolved. This is considered the advent of modern life, when both plant and animal species diversified rapidly in warm seas and later colonized the land during a warm terrestrial climate.
Prior to this, for more than three billion years, life was largely unicellular, microscopic and confined to the sea.
Note both temperature and CO2 are lower today than they have been during most of the era of modern life on Earth since the Cambrian Period. Also, note that this does not indicate a lock-step cause-effect relationship between the two parameters.
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