1930s: global warming was accurately confirmed and reported in the late 19th century (the discovery of global warming, 2011) thesis statement: humans are the cause of global warming for several reasons include industry, population growth and environments degradation. The op claims that the if humans are raising co2 levels and co2 traps heat and our planet is accumulating heat then the conclusion human are causing global warming must be taken under seriously considerations. A number of studies have found overwhelming agreement among climate scientists that humans are causing global warming the seminal study into scientific consensus was in 2004 when naomi oreskes analysed over 900 research papers on global warming.
What climate skeptics taught me about global warming data credit: cancerorg , original image slightly reformatted by me in tableau long before research exposed evidence that humans cause global warming, science made another sensational claim — that smoking caused lung cancer. If earth has warmed and cooled throughout history, what makes scientists think that humans are causing global warming now the first piece of evidence that the warming over the past few decades isn’t part of a natural cycle is how fast the change is happening. One of the first things the ipcc learned is that there are several greenhouse gases responsible for warming, and humans emit them in a variety of waysmost come from the combustion of fossil fuels. Much concern exists within the scientific community about global warming, the main cause of which is an accumulation of heat-trapping gases in the atmosphere harmful changes were predicted in the ipcc’s fourth assessment report  , some of which include.
Evidence that humans are causing global warming both natural and human factors contribute to global warming, however, evidence 3 has shown that the warming we are currently witnessing is largely as a result of human forcing. A report from 13 federal agencies says humans are the main cause of global warming, a position at odds with some in the trump administration. If humans are causing global warming, we should see a number of unique climate patterns sure enough, these “human fingerprints” have been observed all over our planet the human fingerprints confirm that humans are the main driving force behind global warming, and also rule out natural causes such as changes in solar activity. #7 dismisses natural causes of global warming yet the atmosphere has been steadily warming for 21,000 years, in this cycle, proving that man is not the driving mechanism geologists have documented hundreds of warming and cooling cycles (the earth can get really hot and cold) due to natural causes. Global warming’s major cause has been the activities of humans and the effects of which are very much seen as the melting of arctic ice, extinction of polar bear, rise in temperature as these effects were not present earlier when only natural phenomena’s were warming the earth to some extent.
How do we know humans are causing global warming climate scientists say they are 95 percent certain that human influence has been the dominant cause of global warming since 1950. Most climate scientists agree the main cause of the current global warming trend is human expansion of the greenhouse effect 1 — warming that results when the atmosphere traps heat radiating from earth toward space certain gases in the atmosphere block heat from escaping. Global warming is just a single part of a bigger change in climate—the warming of the average temperature near the surface of the earth all told, climate change encompasses much more.
Attribution of recent climate change is the effort to scientifically ascertain mechanisms responsible for recent climate changes on earth, commonly known as 'global warming' the effort has focused on changes observed during the period of instrumental temperature record , particularly in the last 50 years. Global warming is a serious threat here on earth because it would cause more severe weather, increase the range of deserts, melt the polar ice caps, cause a rise in sea level (which, according to the fossil record, is a major cause of mass extinctions), as well as. To understand how humans cause global warming, it is important that you are aware of the link between your daily activities and the greenhouse effect furthermore, once you understand this, it is easy to see that you have the power to help stop global warming.
A landmark report says scientists are 95% certain that humans are the dominant cause of global warming since the 1950s the report by the un's climate panel details the physical evidence behind. Throughout most of human history, and certainly, before human beings emerged as a dominant species throughout the world, all climate changes were the direct result of natural forces like solar cycles and volcanic eruptions. Co2 makes the 'blanket' thicker, and humans are adding more co2 all the time climate myth: there's no empirical evidence there is no actual evidence that carbon dioxide emissions are causing global warming.
'the ipcc states that humans are the dominant cause of warming “since the mid-20th century”, which is 1950 from 1910 to 1940 there was an increase in global average temperature of 05c over. The things that can contribute to global warming other than human actions are fairly well known if the power output of the sun were increasing, there would be a slightly delayed warming effect in the absence of other causes. Arctic sea ice extent both affects and is affected by global climate change interactive: global ice viewer an interactive exploration of how global warming is affecting sea ice.