Summary of #35 - Lennert den Boer: “It's The Sun, Not Us”

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00:00:00 - 01:00:00

Retired professional geophysicist, Lennert den Boer, claims that man-made climate change is a "fraud of epic proportions" that is being used to subvert, discredit and corrupt science. He suggests that ideologies and slogans promoting this agenda are crude attempts at manipulating people, and highlights the importance of skepticism and debate in science. Den Boer further argues that environmentalism was infiltrated and subverted by Marxists to become a vehicle for socialism's rebirth, and that man-made global warming is not science, but political propaganda. He emphasizes the sun as the single most important factor in controlling Earth's climate, with all other factors being secondary. Finally, he presents evidence showing that human CO2 emissions are negligible compared to natural emissions and that changes in temperature lead to changes in CO2 concentration by 500-1000 years rather than the other way around as stated by global warming alarmists.

00:00:00 In this section, Leonard den Boer, a retired professional geophysicist, introduces himself and explains his interest in researching man-made global warming. He notes that after reading Fred Singer and Dennis Avery's book "Unstoppable Global Warming Every 1500 Years," he realized how broad the subject of climate change was, involving many disciplines such as astrophysics, geology, and hydrology. Den Boer eventually concludes that man-made global warming is a "fraud of epic proportions" that is being used to subvert, discredit, and corrupt science. He then goes on to discuss the differences between ideology and science and how slogans used to promote man-made global warming are crude attempts at manipulating people through demonization, scaremongering, intimidation, polarization, and stifling descent.
00:05:00 In this section, the speaker discusses the dangers of following an ideology blindly and the importance of skepticism and debate in science. He explains how as social creatures, humans fear non-conformity and reject those who question the consensus. However, he emphasizes that skepticism and non-believers are crucial to the survival of our species as it helps us arrive at the truth. He cites the example of a scientific paper detailing the hockey stick graph, where researchers who questioned the data were met with unprofessional and unscientific replies. The speaker argues that if one is not prepared to share their data, they are not engaged in science, and any conclusions drawn from it are unreliable.
00:10:00 In this section, the speaker argues that man-made global warming is not science, but political propaganda. He states that scientific data should be falsifiable, and the hockey stick graph which has been used as evidence for global warming was discredited due to a variety of errors in the original paper. Furthermore, he claims that the blame on CO2 as a scapegoat for global warming was due to various serious industrial accidents, and environmental organizations such as Greenpeace capitalized on these events to expand their focus and scope of activity. Additionally, the petroleum industry was seen as a great Satan, and some environmentalists aim to damage or even destroy them by any feasible means. Finally, the speaker links communism becoming discredited to the emboldening of Marxists, some of whose goals aligned with those of the environmental movement.
00:15:00 In this section, it is explained that environmentalism was infiltrated and subverted by Marxists to become a vehicle for socialism's rebirth. The Green Party adopted the strategy of subverting environmentalism to advance socialism in their platform in 1989, following the collapse of Communism in the Soviet Bloc. The public is scared into believing that eco-socialism is the solution to a non-existent problem, and quotes by Morris Strong, Christiana Figueres, and Dr. Ottmar Edenhofer reveal that the real motives behind the political ideology of man-made global warming are anti-capitalism and the redistribution of the world's wealth.
00:20:00 In this section, the speaker explains that the sun is the single most important factor in controlling Earth's climate, and that all other factors are secondary. The Sun's age, size, brightness, and magnetic field polarity all impact the planets in our solar system, with the sunspot cycle being one of the most significant effects. Galactic cosmic rays generated by black holes, supernovae, and new star births outside our solar system also play a significant role in Earth's climate, as they collide with large molecules in our atmosphere to seed the formation of clouds. Finally, the Earth itself impacts climate through factors like its eccentricity, axial tilt, and precession.
00:25:00 In this section, the factors that influence Earth's temperature and climate are discussed. The shape and orbit of the Earth are shown to be influential through the apsidal procession and the obliquity of the Earth's axis. The Earth's magnetic field is also critical in protecting the atmosphere from erosive solar wind and radiation. The current declining strength and possible polarity reversal of Earth's magnetic field are linked to climate change. Finally, the role of Earth's atmosphere is explored, with its complexity leading to a need for the scientific method to understand its impact. The concept of the habitable zone is introduced as the region in which liquid water can exist around a star in a comfortable temperature range, similar to finding the ideal distance from a campfire.
00:30:00 In this section, the video explains how the surface temperature of a planet is estimated using black body radiation. This law assumes that perfectly black objects absorb all radiation they receive from a star. The relationship between distance from a star and surface temperature is explained and is used to estimate the surface temperatures of the planets in our solar system, with the black body temperature being a good estimate for most planets. However, Venus is an exception because of its closer proximity to the sun, its thicker atmosphere due to its history of intense volcanism, and a high albedo. This difference leads to a runaway greenhouse effect, making Venus too hot for life as we know it.
00:35:00 In this section, the video explains that Venus is hot not because of the CO2 in its atmosphere, but because of heat absorbed and emitted by the surface itself. The thickness and opacity of Venus's atmosphere makes it difficult for heat to escape. Furthermore, Venus's history of intense volcanism has generated a thick atmosphere of volcanic gases including sulfur dioxide, steam, and carbon dioxide. Active volcanism keeps Venus's surface hot because the heat generated is unable to escape. This situation could occur on Earth only if the distance between it and the sun decreases significantly or if the sun's luminosity increases significantly, which is expected to happen after about three to five billion years from now when the sun enters the final red giant stage of its life cycle and gradually expands, engulfing first Mercury, then Venus, and finally Earth.
00:40:00 In this section, the video discusses the composition of Earth's atmosphere, which contains mostly nitrogen and oxygen. The remaining gases are trace amounts of water vapor, argon, carbon dioxide, ozone, methane, and other gases. Water vapor, the third largest constituent, varies in volume over Earth's surface and altitude. Clouds, the most important feature of the atmosphere, have a high albedo and reflective properties which cool Earth, and they also absorb heat. Earth's atmosphere acts as an insulating blanket, and without it, the average surface temperature would be a frosty -17 degrees Celsius. Greenhouse gases, including water vapor and carbon dioxide, contribute to this insulating effect. Water vapor absorbs heat over the entire spectrum of infrared wavelengths, while carbon dioxide absorbs heat in a narrow range. However, water vapor still absorbs more than half of the total heat over that range.
00:45:00 In this section, the importance of water in the Earth's greenhouse effect is highlighted, accounting for over 95% of the effect while CO2 only contributes 6.1% to total opacity, which increases by only 0.6% from industrialization until present levels. Additionally, the imbalance between natural and human CO2 contributions is discussed, with human emissions estimated at 7 gigatons per year versus natural sources' 150 gigatons per year. Alternative explanations for this phenomenon are covered, including the exclusion of significant natural CO2 sources like volcanoes and the potential volume of emissions from non-erupting and submarine volcanoes, which continue to be underestimated.
00:50:00 In this section, the speaker presents evidence that human CO2 emissions are negligible compared to natural emissions and that changes in temperature lead to changes in CO2 concentration by 500-1000 years rather than the other way around, as stated by global warming alarmists. The evidence comes from a graph of global CO2 emissions due to fossil fuel combustion and a graph of total CO2 observed in Earth's atmosphere, both of which show no change in slope despite human emissions tripling. Ice cores from Greenland and Antarctica also support the claim that temperature changes first and carbon dioxide responds 500-1000 years later. The speaker explains this phenomenon by describing how CO2 dissolves in cold sea water but not in warm sea water, which is relevant considering that most of the Earth's surface is covered in water.
00:55:00 In this section, the speaker explains the concept of oceanic thermal inertia, which is the reason for the lag between temperature and CO2 levels. The oceans have a huge capacity for storing heat and thus have a huge thermal inertia, taking a long time to warm or cool. The Earth's oceans are its largest reservoir of CO2, and CO2 levels rise as the ocean warms and fall as the oceans cool. The speaker reiterates that the current levels of CO2 in the atmosphere are not unprecedented and the present level of CO2 is a historic minimum. The speaker also debunks the false claim that CO2 remains in the atmosphere for over 200 years, using IPCC's own data, and shows that the atmospheric residence time of CO2 is actually five years.

01:00:00 - 01:10:00

Lennert den Boer argues in his video that CO2 is not a pollutant, but an essential nutrient for plant growth that converts to oxygen through photosynthesis. He also claims that the current CO2 concentration is uncomfortably close to the level at which plants can no longer grow. den Boer also suggests that man-made global warming is political and contradicts science, while climate change is natural and primarily caused by the Sun. He presents evidence to support his arguments, including the estimated 8.6-year atmospheric residence time of CO2 and studies of the sun's magnetic field and sunspots, which he believes indicate a decrease in solar output and the possibility of a little ice age in the coming decade.