Global warming does not require a reduction of the standard of living of people. However it does demand a rapid shift in the patterns of consumption of fuels such as oil, coal, and natural gas, to an economy more reliant on solar energy, hydrogen gas, wind biomass, and other renewable energy sources. The term greenhouse effect is used to describe the increased warming of the Earth's surface and lower atmosphere due to increased levels of carbon dioxide and other atmospheric gases that absorb radiated energy in the atmosphere and then reradiate it back to the surface. But if it were not for the greenhouse effect, temperatures at the Earth's surface today would be much colder then they are now, and life as we know it could not exist. Scientists are now concerned that the greenhouse gases are being increased by human actions to levels that could be very harmful to life on Earth.
Global Climatic Changes Introduction: Climatic change is a lasting change in the weather patterns around average conditions. Certain factors like global warming, greenhouse effect, biotic processes are some of the reasons for global climatic change. The average global temperatures have changed and the precipitation patterns as well. Over the past century human activities led to increase in the emission of heat trapping gases like carbon dioxide. The average earth’s temperature has risen by 1.4° F and it is also projected to rise about another 2-13.5° F in the coming decades.
For the past few hundred thousand years the amount of greenhouse gases in the earth’s atmosphere have been at natural and comfortable life sustaining levels. But in just the last one hundred or so years, since the beginning of the industrial revolution, the levels of greenhouse gases, in particular carbon dioxide, have gone through the roof. Global warming can, and will, if not stopped, have devastating effects on our planet; possibilities include rising temperatures, droughts, mass extinctions and much more. Humans are having a strong, negative, impact on the environment. The “greenhouse effect” is the most prominent cause for the rise of global temperatures.
Global warming occurs when the levels of greenhouse gasses rise and less infrared light, or heat, escapes the earth's atmosphere. Thus, the temperature experienced on Earth begins to rise. Climate change is a part of the Earth's history. There have been dramatic fluctuations in overall average temperature for the past 150,000 years that suggest a direct association with carbon dioxide levels. In the past the temperature highs and lows have been in tandem with carbon dioxide level highs and lows, this does çijopnot seem to be a mere coincidence.
Global warming is a war that we should not get involved with because we will lose if changes aren’t made soon. Global warming is the rapid increase in earth’s average surface temperature over the past century due to the fact that greenhouse gases are being released into the atmosphere increasing the earth’s average temperature (EarthObservatory.NASA.org). There are many contributing factors that play a role into the cause of global warming. Greenhouse gasses are gasses such as Carbon Dioxide, Methane, Nitrous Oxide, and F-gasses that trap heat in the atmosphere. The heat that is trapped in the earth’s atmosphere is a slowly melting glaciers, cause sea levels to rise and is messing with the weather patterns.
Mankind’s industrialization of the world has caused a drastic increase in temperature. This rise in temperature is caused by solar radiation remaining in our atmosphere because of gases produced by humans through the burning of fossil fuels, land clearing, agriculture, and other human activities. These gases block the radiation from escaping into space therefore warming our planet. The result is raising of ocean levels, extinction of species and threatening of children’s health because of disease and less freshwater to drink. While many view climate change to be a more natural occurrence than others do, scientists have proven the average temperature rise of the Earth between 0.4 and 0.8 °C over the last 100 years.
Global warming is better defined as the increase in the average temperature of the Earth over an extended period of time. C. This is a serious problem because it is affecting the entire globe. Not one person is left out of these effects. 1. According to N... ... middle of paper ... ...blem plaguing the world, caused mainly by greenhouse gas emissions.
But when looking through the eyes of humans, these changes are drastic causing ice ages, draughts, and rain for years (Goldstein 6). During the last century carbon dioxides levels in the atmosphere have become significantly larger than they ever have in the past 800,000 years. Today these levels are at 390 ppm and show no signs of stopping which will cause temperatures to rise because carbon is a greenhouse gas. When a greenhouse gas, such as carbon dioxide or water vapor are present in the atmosphere, they absorb the heat that the Earth is giving off, creating a thermal blanket over Earth trapping in heat (Houghton 20). Now that the problem has been identified, determining the source the problem becomes much easier.
Natural causes are much less than human causes. Natural causes have changed the climate by changes in sunlight and volcanic activity has shown an increase in gases in the atmosphere. Humans cause global warming by burning fossil fuels. This is an everyday activity and it is harming the Earth’s atmosphere. Like I explained earlier, carbon dioxide in the Earth has increased dramatically and this is cause by burning fossil fuels which results in the Greenhouse Effect.
Through the Earth’s geological history, it has often been frozen in the grips of various ice ages, interrupted with brief warming periods. For the past 10,000 to 50,000 years, the Earth has been enjoying the latest period of global warming. The Earth’s surface temperature is protected by its atmosphere, of which carbon dioxide (CO2) is a major component. There is a strong relationship between CO2 and the surface temperature on Earth. CO2 levels would naturally rise as the Earth warms up.