Man-Made Global Warming Isn't Real

The planet's average surface temperature has risen about 1.62 degrees Fahrenheit (0.9 degrees Celsius) since the late 19th century, a change driven largely by increased carbon dioxide and other human-made emissions into the atmosphere. Most of the warming occurred in the past 35 years, with the five warmest years on record taking place since 2010. = 1. The 0.7 - 0.9"C increase in the average global temperature over the last hundred years is entirely consistent with well-established, long-term, natural climate trends. 2. The slight increase in temperature which has been observed since 1900 is entirely consistent with well-established, long-term natural climate cycles 3. It is claimed the average global temperature increased at a dangerously fast rate in the 20th century but the recent rate of average global temperature rise has been between 1 and 2 degrees C per century - within natural rates The Greenland and Antarctic ice sheets have decreased in mass. Data from NASA's Gravity Recovery and Climate Experiment show Greenland lost and average of 281 billion tons of ice per year between 1993 and 2016, while Antarctica lost about 119 billion tons during the same time period. The rate of Antarctica ice mass loss has tripled in the last decade./Glaciers are retreating almost everywhere around the world " including in the Alps, Himalayas, Andes, Rockies, Alaska and Africa. 1. It is myth that receding glaciers are proof of global warming as glaciers have been receding and growing cyclically for many centuries. 2. It is a falsehood that the earth"s poles are warming because that is natural variation and while the western Arctic may be getting somewhat warmer we also see that the Eastern Arctic and Greenland are getting colder. 3. Research goes strongly against claims that CO2-induced global warming would cause catastrophic disintegration of the Greenland and Antarctic Ice Sheets. 4. It is a falsehood that the earth"s poles are warming because that is natural variation and while the western Arctic may be getting somewhat warmer we also see that the Eastern Arctic and Greenland are getting colder Satellite observations reveal that the amount of spring snow cover in the Northern Hemisphere has decreased over the past five decades and that the snow is melting earlier. 1. There is strong evidence from solar studies which suggests that the Earth"s current temperature stasis will be followed by climatic cooling over the next few decades Global sea level rose about 8 inches in the last century. The rate in the last two decades, however, is nearly double that of the last century. 1. Politicians and activists claim rising sea levels are a direct cause of global warming but sea levels rates have been increasing steadily since the last ice age 10,000 ago. The number of record high temperature events in the United States has been increasing, while the number of record low temperature events has been decreasing, since 1950. 1. Warmer periods of the Earth"s history came around 800 years before rises in CO2 levels. 2. Throughout the Earth"s history, temperatures have often been warmer than now and CO2 levels have often been higher - more than ten times as high. 3. Significant changes in climate have continually occurred throughout geologic time. The Greenland and Antarctic ice sheets have decreased in mass. Data from NASA's Gravity Recovery and Climate Experiment show Greenland lost and average of 281 billion tons of ice per year between 1993 and 2016, while Antarctica lost about 119 billion tons during the same time period. The rate of Antarctica ice mass loss has tripled in the last decade. 1. I already refuted this before. Each of the last three decades has been successively warmer at the Earth"s surface than any preceding decade since 1850 1. Already refuted this 2. After World War II, there was a huge surge in recorded CO2 emissions but global temperatures fell for four decades after 1940. "It is 'extremely likely that more than half of the observed increase in global average surface temperature' from 1951 to 2010 was caused by human activity. By 'extremely likely', it meant that there was between a 95% and 100% probability that more than half of modern warming was due to humans. - Intergovernmental Panel on Climate Change"s (IPCC) fifth assessment report. 1. There is "no real scientific proof" that the current warming is caused by the rise of greenhouse gases from man"s activity. 2. Man-made carbon dioxide emissions throughout human history constitute less than 0.00022 percent of the total naturally emitted from the mantle of the earth during geological history. 3. Most of global warming is completely natural. 4. A large body of scientific research suggests that the sun is responsible for the greater share of climate change during the past hundred years. "Between 93% to 123% of observed 1951-2010 warming was due to human activities." - US Fourth National Climate Assessment 1. A large body of scientific research suggests that the sun is responsible for the greater share of climate change during the past hundred years. "Scientists Agree: Global Warming is Happening and Humans are the Primary Cause" - UCSUSA 1. The IPCC theory is driven by just 60 scientists and favorable reviewers not the 4,000 usually cited. 2. Leaked e-mails from British climate scientists - in a scandal known as "Climate-gate" - suggest that that has been manipulated to exaggerate global warming 3. A petition by scientists trying to tell the world that the political and media portrayal of global warming is false was put forward in the Heidelberg Appeal in 1992. Today, more than 4,000 signatories, including 72 Nobel Prize winners, from 106 countries have signed it. 4. A large body of scientific research suggests that the sun is responsible for the greater share of climate change during the past hundred years. Human influence on the climate system is clear, and recent anthropogenic emissions of green-house gases are the highest in history. ["] Warming of the climate system is unequivocal, and since the 1950s, many of the observed changes are unprecedented over decades to millennia." - IPCC AR5 1. There is "no real scientific proof" that the current warming is caused by the rise of greenhouse gases from man"s activity. 2. Man-made carbon dioxide emissions throughout human history constitute less than 0.00022 percent of the total naturally emitted from the mantle of the earth during geological history. 3. After World War II, there was a huge surge in recorded CO2 emissions but global temperatures fell for four decades after 1940. 4. Warmer periods of the Earth"s history came around 800 years before rises in CO2 levels. 5. Despite activist concerns over CO2 levels, CO2 is a minor greenhouse gas, unlike water vapor which is tied to climate concerns, and which we can"t even pretend to control Of all the radiative forcings analysed, only increases in greenhouse gas emissions produce the magnitude of warming experienced over the past 150 years." - Berkeley Earth 1. There is "no real scientific proof" that the current warming is caused by the rise of greenhouse gases from man"s activity. 2. After World War II, there was a huge surge in recorded CO2 emissions but global temperatures fell for four decades after 1940. 3. Despite activist concerns over CO2 levels, CO2 is a minor greenhouse gas, unlike water vapour which is tied to climate concerns, and which we can"t even pretend to control Today, CO2 levels are 40 percent higher than they were before the Industrial Revolution began; they have risen from 280 parts per million in the 18th century to over 400 ppm in 2015 and are on track to reach 410 ppm this spring. In addition, there is much more methane (a greenhouse gas 84 times more potent than CO2 in the short term) in the atmosphere than at any time in the past 800,000 years"two and a half times as much as before the Industrial Revolution. While some methane is emitted naturally from wetlands, sediments, volcanoes and wildfires, the majority of methane emissions come from oil and gas production, livestock farming and landfills." - Earth Institute, Columbia University 1. There is "no real scientific proof" that the current warming is caused by the rise of greenhouse gases from man"s activity. 2. Man-made carbon dioxide emissions throughout human history constitute less than 0.00022 percent of the total naturally emitted from the mantle of the earth during geological history. 3. Warmer periods of the Earth"s history came around 800 years before rises in CO2 levels. 4. After World War II, there was a huge surge in recorded CO2 emissions but global temperatures fell for four decades after 1940. Today, almost 100 percent [plus or minus 20 percent] of the unusual warmth that we"ve experienced in the last decade is due to greenhouse gas emissions," - Peter de Menocal, dean of science at Columbia University and founding director of Columbia"s Center for Climate and Life 1. There is "no real scientific proof" that the current warming is caused by the rise of greenhouse gases from man"s activity. 2. Despite activist concerns over CO2 levels, CO2 is a minor greenhouse gas, unlike water vapor which is tied to climate concerns, and which we can"t even pretend to control If the sun were brighter, we would see warming all the way up through the atmosphere from the surface to the stratosphere to the mesosphere. We don"t see this. We see instead warming at the surface, cooling in the stratosphere, cooling in the mesosphere. And that"s a signature of greenhouse gas forcing, it"s not a signature of solar forcing. So we know it"s not solar." - Gavin Schmidt, director of National Aeronautics and Space Administration"s Goddard Institute for Space Studies 1. A large body of scientific research suggests that the sun is responsible for the greater share of climate change during the past hundred years. Rest in comments section.