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Geologists have been studying climate for centuries, while climate science is a relatively new field. The speaker criticizes climate scientists as obscure and unemployable academics funded by taxes. They argue that evidence from the past shows that the Earth has experienced six ice ages, with periods of ice expansion and contraction. The current interglacial period started 34 million years ago, and during the last interglacial, sea levels were higher and temperatures were warmer. The speaker questions claims of record-breaking temperatures, pointing out that in the past, temperatures have been even hotter. They also mention that we have just come out of a little ice age, so it's not surprising that temperatures have been rising. The speaker dismisses the significance of carbon dioxide emissions, stating that the current levels are low compared to geological history and that reducing it would harm plant and animal life.

The speaker questions whether the planet is warming and if it should be our main concern. They explain that while temperatures have been unusually high in recent times, this warming trend started over 300 years ago during the little ice age. Proxy data, such as ice core and sediment data, is used to estimate temperatures from hundreds of thousands of years ago. The speaker argues that throughout history, warmer periods, like the medieval warm period and the Roman warm period, were beneficial for humanity and led to flourishing civilizations. They suggest that we should celebrate warming and increasing carbon dioxide levels as they have positive impacts on Earth's ecosystems and human conditions.

Climate change is a fact, but humans are not causing it. NASA knows that over 90% of the CO2 is coming from the oceans. Is there more CO2 now than ten, twenty, fifty, or a hundred years ago? The answer is absolutely yes. Is it a bad thing? The answer is no. We're right about 440 parts per million right now. In geologic history, Cretaceous and Jurassic were over a thousand parts per million; Triassic, 2,000 parts per million. The earth was lush. CO2 levels and temperatures are not always one-to-one. Where's the CO2 coming from? NASA knows: the CO2 is coming from the oceans warming from underneath. Warm water holds less gas. The oceans are warming from underneath from tectonic processes every twelve thousand five hundred years, beginning in the core and causing more tectonic and volcanic activity, which is exactly what we're seeing.

The speaker argues that life on Earth is in crisis due to crop failure, social and ecological collapse, and mass extinction, framing these as part of Extinction Rebellion’s climate alarmist narrative and a broader political and financial “climate industrial complex” that aims to control purchases, diet, and travel in the name of sustainability and net-zero emissions. They contend that people rely on governments and the media rather than data, and promise to show that temperatures fluctuate, are not unprecedented, and that natural disasters are not getting worse. They claim climate data is unreliable and that CO2 plays a small role in climate, while presenting scientific evidence that we are not in a climate crisis. Using a 65-million-year temperature graph, the speaker states the Earth today is in a cool period and is coming out of an ice age, noting that life thrived in much warmer times without human CO2 emissions. They assert that over the last two thousand years there have been two warm periods and two cold periods, including the Roman warm period, the cold Dark Ages, the medieval warm period, and the Little Ice Age, with current warming described as a recovery from the Little Ice Age. The three degrees Fahrenheit of warming cited by scientists and the media is described as not unprecedented and not cause for alarm due to ongoing fluctuations. The speaker argues that warming and CO2 emissions have not made natural disasters more frequent or violent, citing hurricane and wildfire data. They reference a graph from the Bulletin of the American Urological Society showing a slight downward trend in US hurricanes per year since 1900, and a North Atlantic hurricane intensity graph from 1920 to 2016 showing no trend. They claim the 2014 US National Climate Assessment presents an illusory upward trend by focusing on a red-highlighted portion. They also claim that US and global acres burned by wildfires have been decreasing since 1900. Regarding data reliability, the speaker highlights a gap between climate model predictions and observed data, noting that temperature measurements from weather balloons align with satellite data, while climate models over-predict warming. They discuss the urban heat island effect, giving Paris as an example where city temperatures are much higher than surrounding rural areas, suggesting data can be biased to frighten the public. The speaker argues CO2 is not the climate control knob, as it is only 0.04% of the atmosphere, and that historical CO2 levels have been far higher than today. They cite MIT oceanographer Carl Wunsch (spelled as Karl Wench) to claim that when oceans warm, more CO2 is released, and when oceans are cold, CO2 is absorbed. A graph is described showing CO2 rising centuries after temperature increases, implying temperature drives CO2 more than the reverse. They acknowledge CO2 may have some small influence but emphasize many other factors—volcanic activity, cosmic rays, and the sun—and claim limiting CO2 would largely stunt biodiversity with little effect on temperature. The speaker argues CO2 is essential for photosynthesis and that farmers use high CO2 in greenhouses to boost crop yields, illustrating CO2 as a life-giving gas and stating it would green the planet and increase food supply if CO2 increases. They conclude that climate change is an existential threat in Western discourse but offer this as historical context from Aztecs to the Salem witch trials. They mention carbon taxes and individual CO2 budgets as signs of climate issues infiltrating daily life and frame their conclusion as pursuing truth by examining data themselves. In summary, the speaker presents historical temperature variability, critiques of data and models, downplays CO2’s role, highlights CO2’s benefits to plant growth, and asserts that the climate crisis is a hoax to be opposed by scrutinizing data personally.

The speaker challenges the idea of man-made global warming, stating that the science behind it is weak and uncertain. They argue that the Earth's climate has always changed throughout history, with periods of both warmer and cooler temperatures. They mention the Little Ice Age in the 14th century, when the Thames River froze over, and the Medieval Warm Period, which was associated with prosperity. They also highlight the Holocene maximum during the Bronze Age, when temperatures were significantly higher for over 3,000 years. The speaker concludes that climate variation in the past is natural.

The speaker challenges the idea of man-made global warming, stating that the science behind it is weak and uncertain. They argue that the Earth's climate has always changed throughout history, without any help from humans. They mention the Little Ice Age in the 14th century, when the Thames River froze over and ice fairs were held. They also discuss the Medieval Warm Period, a time of prosperity and vineyards in Europe. Going further back, they mention the Holocene maximum during the Bronze Age, when temperatures were significantly higher for over 3 millennia. The speaker concludes that climate variation in the past is natural.

200 years ago, the temperature was only 1.5 degrees Celsius cooler than now, so claiming a 1.5-degree increase will be catastrophic is ridiculous. In the past, temperatures were much higher, yet CO2 levels were decreasing. There is no clear relationship between temperature and CO2 levels based on historical data.

Speaker 0: We have been cooling down for the last four thousand years. If we look at the last thirty eight years, there has been no change in temperature. In the last hundred and fifty years, we've had three warming periods and three cooling periods with a total warmth of about point six degrees Celsius. 1850, what happened then? Oh, yes. That was the end of the Little Ice Age. Do you think it's gonna warm or cool after Little Ice Age? Of course, it's gonna warm. So if you start taking measurements from 1850 in the industrial revolution, we have been warming. If you take measurements from the medieval warming, we've been cool. We've cooled about five degrees since then. If you take measurements from the Roman warming, we've cooled about five degrees. So as soon as someone tells you, oh, it's warming, the reply you give is since when?

The speaker, Professor Ian Clark, is a paleoclimatologist who studies Earth's temperatures in the Arctic over hundreds of thousands of years. He explains that ice cores contain data on climate variations and CO2 levels. Surprisingly, the research shows that temperature changes precede CO2 changes by about 800 years. This suggests that temperature drives CO2 levels, not the other way around. Multiple studies confirm this pattern, contradicting the belief that CO2 is the cause of global warming. The evidence from ice core drilling disproves the fundamental hypothesis of human-induced climate change.

For the past 10,000 years, it has been warmer than today for about 95% of the time. Throughout the Earth's history of 4.65 billion years, there has been substantial ice on the planet for only about 5-10% of that time. Currently, we have low levels of CO2 compared to Earth's history. The carbon dioxide in the room is around 900, but there is nothing bad about it. In fact, the more carbon dioxide, the better.

In this video, the speakers discuss historical climate changes to provide context for the current climate debate. They mention Jean Jouzel, a well-known climatologist and geologist in France, who studied the ice in Greenland and found that there were significant temperature variations of up to 16 degrees Celsius during the last deglaciation around 10,000 years ago. They argue that the small temperature changes we are experiencing today are insignificant compared to past variations. They also mention periods of significant warming in the past, where temperatures increased by about 10 degrees Celsius, leading to changes in vegetation and the appearance of pre-agricultural societies. They conclude by referring to the current period, known as the Holocene, which has been relatively stable for the past 12,000 years.

Ice from the Viking Age, around the year 1000, indicates that Greenland was about 1.5 degrees warmer than today. The Nordgrip project is drilling through the ice sheet to gather a 3-kilometer ice core, which holds climate data spanning over 120,000 years. By inserting a thermometer into the drilled hole, researchers can accurately map historical temperatures, reconstructing the last 10,000 years. Temperature data shows that around 4,000 years ago, it was 2.5 degrees warmer than now, followed by a gradual decline until the medieval warm period a thousand years ago. Other core samples confirm the end of the Little Ice Age about 140 years ago. While there has been a global temperature increase in the 20th century, determining whether this rise is man-made or a natural variation is challenging, as observations began at the coldest point in the last 10,000 years.

The Greenland ice core project, Nordgrip, is reopening to extract the last few meters of ice, which holds crucial climate data spanning over 120,000 years. By drilling the ice core and measuring temperatures with precision, scientists have reconstructed temperature changes over the past 10,000 years. The graph shows that around 4,000 years ago, temperatures were 2.5 degrees warmer than today, but gradually decreased until the Roman age. During the medieval warm period, temperatures reached a peak before declining to the lowest point in the last 8,000 years around 1875 AD. This coincides with the start of meteorological observations. Similar warm and cold periods have been confirmed in other parts of the Northern Hemisphere through carbon dating and measurements. However, it is challenging to determine if the 20th-century temperature increase was due to human activity or natural variation.

The ice core surveys in Vostok, Antarctica, show a correlation between carbon dioxide (CO2) and temperature, but the relationship is more complex than Al Gore suggests. The data reveals that temperature increases first, followed by a rise in CO2, with an 800-year lag. This pattern is consistent across multiple ice core surveys. CO2 is not the cause of warming; rather, it is a product of temperature changes. Additionally, humans contribute only a small fraction of CO2 emissions compared to natural sources like volcanoes and the oceans. The oceans, in particular, have a memory of temperature changes and release or absorb CO2 accordingly. Earth's long climate history provides no evidence that CO2 has ever determined global temperatures.

Geologists have been studying climate for 250 years, while climate science is a relatively new field. The speaker criticizes climate scientists as obscure and unemployable academics who cost taxpayers a lot of money. They argue that climate models are often incorrect and should be disregarded. The speaker points out that Earth has experienced six ice ages, with periods of glaciation and interglacial periods. They emphasize that we are currently in an interglacial period, which started 34 million years ago, and that temperatures have been both warmer and cooler in the past. The speaker also mentions that we have just come out of a little ice age and that temperatures have been rising since then. They dismiss the significance of carbon dioxide emissions, stating that the current level of 0.04% is low compared to geological history and that reducing it would harm plant and animal life.

My climate crusade has been the most successful of all my crusades. Many geologists support it because they understand geological and climate history. Today's climate is not extreme or new, with minor fluctuations and moderate temperatures. Even if it warms up, we may benefit.

This video discusses the Greenland ice core project, which has provided valuable data on the climate history of the region. By drilling through the ice sheet and analyzing the temperature variations, scientists have reconstructed temperatures from the past 10,000 years. The findings show that around 4,000 years ago, temperatures were 2.5 degrees warmer than today. The temperatures then gradually decreased until the Roman age, after which they increased again during the medieval warm period. The lowest point in the last 10,000 years occurred around 1650 AD. The Little Ice Age ended about 140 years ago, and various sources, including carbon dating and cave measurements, confirm the pattern of alternating warm and cold periods. The video concludes by highlighting the challenge of determining whether the temperature increase in the 20th century is due to natural variation or human influence.

Over the past 4000 years, the planet has been cooling down. In the last 38 years, there has been no change in temperature. In the last 150 years, there have been 3 warming periods and 3 cooling periods, resulting in a total warmth of about 0.6 degrees Celsius. The warming after the little ice age in 1850 is expected, and if measurements are taken from that time, we have been warming. However, if measurements are taken from the medieval warming or the Roman warming, we have actually been cooling by about 5 degrees. So, when someone says it's warming, the question to ask is, since when?

The era of global warming has ended; the era of global boiling has arrived, with claims of a sixth mass extinction. This video addresses climate change myths, starting with the claim that the Arctic will soon be ice-free. While some scientists predicted an ice-free Arctic by 2030 and the Greenland ice sheet melting could raise sea levels by 22 feet, others argue that Arctic sea ice has stabilized in recent years and returns in winter. Land ice in the Arctic shows minimal decline. Another myth is that polar bears are going extinct. Data indicates their populations have increased, contrary to environmental groups' claims. The third myth addressed is that climate change will create massive global food shortages. Agricultural output is at record highs, and increased carbon dioxide can benefit plant growth. NASA data shows the Earth has significantly greened. While the UN warned of a climate crisis famine in Madagascar, the issues are mostly due to bad governance, not climate change. Despite media claims linking climate change to food shortages and rising prices, global coffee production has increased since the 1990s. The next video will cover myths about infernos and more.

Glacial ice studies are often used to support the theory of human-induced global warming. These ice cores contain data that goes back hundreds of thousands of years. By analyzing the ice, scientists can determine past temperatures and the CO2 levels trapped within. Professor Clark and other researchers have found a correlation between CO2 variation and air temperature, but not in the expected way. The temperature changes occur first, followed by CO2 changes with an 800-year delay. This suggests that temperature leads CO2 changes, rather than the other way around. Multiple studies have shown this pattern, contradicting the hypothesis that CO2 is the primary cause of climate change. Ice core drilling provides evidence that challenges the fundamental assumption of human-induced climate change.

Over the past 4000 years, the planet has been cooling down. In the last 38 years, there has been no change in temperature. In the last 150 years, there have been 3 warming periods and 3 cooling periods, resulting in a total warmth of about 0.6 degrees Celsius. The warming after the Little Ice Age in 1850 was expected, and since then, we have been warming. However, if we consider measurements from the medieval and Roman warmings, we have actually cooled about 5 degrees. So, when someone claims it's warming, the question to ask is, "since when?"

People shouldn't panic about global warming because current changes are normal based on Earth's natural history. Over the last 10,000 years, temperatures have fluctuated by about one degree at the Equator and two degrees at the poles every thousand years. The current rate of rise is about one degree per century, which is not unusual. The IPCC's models are flawed because they assume no natural change. The greenhouse effect is small compared to other atmospheric factors like solar radiation and gravity, with oceans and clouds primarily controlling climate stability. The pre-industrialization period used as a baseline by the IPCC was the lowest point in the last ten thousand years. It is currently one degree above that low but two degrees cooler than the warmest period in the last eight to ten thousand years. During the last interglacial period, it was six degrees warmer, and hippos and elephants lived in England.

A 1.5 degrees Celsius increase in global atmospheric temperature is not a disaster. It's less than the temperature difference between breakfast and lunch and will open up vast areas of farmland. During the Eocene thermal maximum, the temperature was at least 5 to 7 degrees Celsius warmer than now, maybe even more. At the same time, CO2 was going in the exact opposite direction of the temperature. There is no clear relationship between CO2 and temperature.

Twenty years after Al Gore warned of imminent polar melt, the transcript argues that Antarctic sea ice extent is now greater than it was when that claim was made, with satellite records dating back to 1979 showing long periods of stability and even overall expansion. The same pattern is reported in Antarctic wildlife: Gentoo penguins have expanded their range and increased in number, and Adelie penguins also demonstrate long-term population growth. On a global scale, the text asserts that extinction rates are far lower today than a century ago, citing a recent biodiversity study that attributes most species losses to hunting, habitat destruction, and invasive species in the nineteenth and early twentieth centuries, rather than climate change. The narrative further points to temperature data that allegedly contradicts alarming climate claims: in December 2025, Antarctica was colder than average, and more recently, on January 15, 2026, Concordia Station recorded a low of minus 43.4°C, described as an exceptionally frigid midsummer value for the Antarctic Plateau. The speaker contends that the Doomsday Brigade was wrong in its predictions, asserting there is zero accountability for those forecasts. The overall message contrasts alarmist climate narratives with what the speaker characterizes as evidence of stability or even improvement in Antarctic ice, wildlife populations, and broader extinction trends, while noting unusually cold conditions in specific recent measurements.

For the past 4000 years, the planet has been cooling. In the last 38 years, there has been no temperature change. Over the last 150 years, there have been 3 warming periods and 3 cooling periods, with a total warmth increase of 0.6 degrees Celsius. The end of the Little Ice Age in 1850 marked the start of warming. Since then, we have warmed due to the Industrial Revolution. If we measure from the medieval and Roman warmings, we have actually cooled by about 5 degrees each. So, when someone says it's warming, ask them since when?