Global warming is the unusual change in the earth 's climate. Over the last fifty years, it has
increased by point nine degrees Fahrenheit. According to NASA 's Earth Observatory, the climate
change is due to the burning of fossil fuels, which disrupts the earth’s natural greenhouse effect. The
greenhouse effect is what allows the earth 's climate to sustain life. The greenhouse gases that come
from burning fossil fuels, carbon dioxide and methane, act like bricks in a fire place. They radiate heat
in all directions, long after the fire goes out. Too many greenhouse gases equals too much heat
radiation, which raises the temperature of earth’s climate.
According to a video report by Voice of America News in 2011, titled “Deforestation
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Morrison points to a 2009 Pew poll that states half the people in the United Sates
believe there is disagreement among scientists regarding global warming. However, there has been a
consensus among scientists for over a decade. In his article, “Disinformation About Global Warming,”
Morrison states that the public can combat this misinformation by informing themselves of what he
calls “red flag arguments,” which are arguments commonly used by climate deniers.
Roy Spencer is a well known climate denier. According to Dana Nuccitelli, who writes for The Guardian, he suggests that climate models cannot accurately account for
future events because it cannot account for past events. This argument is incorrect, because, as Lisa
Moore points out, scientists have used climate models to accurately recreate the global temperature
between the years 1900 and 2000, which shows that they can recreate past events. By being informed of red flag arguments, such as Roy Spencer 's
argument from misinformation regarding climate models, people can help to correct the damage done
by climate deniers. Though the response to Climate Change has been slow, there is still time to act. Whether people volunteer to plant trees as part of a group or purchase a low carbon vehicle, everyone can do their
in the same way that a greenhouse does, by trapping heat energy inside the atmosphere. Unfortunately, since the
There are three types. of heat: conduction, convection and radiation. There are a number of ways to control the heat lost, an example is taking tiles and. surrounding the fire to decrease the area of the heat that can be lost. so more heat is trapped in the water.
carries the heat of the burning wood to one side of the mountain, leaving the other side without
Tim Dickinson paints this image into one’s head by the end of his article. Looking at global warming as a crisis, he argues that the continuously heating world is intensifying drought and setting the stage for mega fires, even in places like Alaska. According to Dickinson, humans are the main cause of global warming. This creates a dramatic problem, Dickinson explains, because Alaska has a large tundra that is drying out. The tundra is an important biome; it can store vast amounts of carbon dioxide in the ground. When these areas burn because of drought, they release huge amounts of carbon dioxide that is normally hidden under snow (Dickinson). On the other hand, Peter Minorsky writes that global warming can lead to more plant growth. Minorsky’s evidence complicates Dickinson’s ideas. There is even an indication of growth increases in Alaska from aerial photos dating back from 50 years ago to now in his article. He writes that there is already “evidence that many plant species are beginning to invade formerly colder climes as the world’s temperature begun to rise” (Minorsky). This pole ward invasion of plant life, according to Minorsky, obscures Dickinson’s Alaskan example. If there is growth happening, the fiery images seem to burn out, or at least appear as an
When the four components of the fire tetrahedron are brought together, ignition occurs. For a fire to grow beyond the first material ignited heat must be transmitted by conduction, convection, or radiation, to additional fuel packages. In the early stages of a fire, heat rises to form a plume of hot gas and products of combustion. Fires in compartments are more complex than those in the open (IFSTA, 2013). In a compartment the plume is affected by the walls and ceiling. As the hot gases rise , they begin to spread outward until they reach the walls. Once the gases reach the walls they are confined and the depth of the gas layer increases from the ceiling towards the floor. If enough fuel and oxygen is available the fire continues to grow, and the overall temperature of the compartment and gas layer increases. The temperatures increase to a point when all combustible materials in the room have reached their own ignition temperatures. Flashover occurs when these materials ignite almost spontaneously. Once ignited and all combustibles in the compartment are burning the fire is said to be fully developed. The fire begins to decay
Certainly there is no one who can predict every instance of a given event, there
Global warming and global climate change is the study of future increases of temperature across the globe. Studying climate change refers to how the over- all climate will change such as the dry places getting dryer and the wet places getting wetter. Global climate is dependent on “the greenhouse effect a natural process that helps regulate temperature” (Easterling and Karl). In the past few centuries humans have had a monumental effect on increasing of greenhouse gases in the atmosphere. Climate change is result of the increase amount of the greenhouse gasses in the atmosphere such as methane, carbon dioxide, water vapor, nitrous oxide, and ozone. “Global temperature has rose approximately 1.4 degrees Fahrenheit over
oxide, and methane that are trapped energy from the sun. These gases are known as the Greenhouse gases. “Without these gases, heat would escape back into space and Earth’s average temperature would be about 60ºF colder” (“Climate Change.” 2009). Greenhouse gases can occur naturally as a result of...
Climate change is a long-term change in regional or global climate patterns. From the mid twentieth century to now, it has mostly been about a significant increase in average global temperatures. Climate change is a major issue in the world today, and a lot of people feel very differently about the cause of it. The common argument about it is whether climate change is a natural occurrence or if the recent increase in temperatures is because of humans. Climate change is a natural cycle in the Earth’s weather. Before humans started burning fossil fuels, there were still weather cycles on Earth that were as hot or hotter than what it is now. In fact, Earth’s weather now, is on pace with the previous weather patterns in history. Human emitted
Gray, Lousie. "'Crazy Ideas ' to Fight Global Warming Revealed by Scientists." The Telegraph. Telegraph Media Group, 11 June 2009. Web. 25 May 2014.
Climate change is one of the most discussed topics of the twenty-first century. Although this subject is very often on the daily basis of lots of people, most of them do not know much about it. So let us define climate change. People think that climate change is the same thing as global warming. However, global warming only represents one aspect of climate that is temperature. Climate change is any significant change in temperature, precipitation, or a wind pattern that occur over several decades or longer.
Nearly all climate scientists can agree, that the most common cause of the current global warming trend, is to be blamed on the burning of fossil fuels, which changes the natural greenhouse of our earth. The usual process in which heat is absorbed by the earth, is when sunlight passes through its atmosphere
As matter of fact, the increasing of greenhouse gases (GHGs) including water vapor (H2O), carbon dioxide (C...
Global warming is an increase in the earth's temperature due to fossil fuels, industry, and agricultural processes caused by human, natural, and other gas emissions. This results in an increased evacuation of greenhouse gases. “Short-wave solar radiation sinks into the Earth's atmosphere and warms its surface while long-wave infrared radiation emitted by earth's surface is absorbed, and then re-emitted by trace gases.” (2)
Global warming is the gradual rise in temperature and oceans due to recent human activity. This is created by the production of too much carbon dioxide that is released into the earth’s atmosphere. The carbon dioxide, also known as a greenhouse gas, remains in the air trapping heat and gradually warming the planet. Other greenhouse gases such as: methane, nitrous oxide, and water vapor also contribute to this slow warming. According to Live Science, The state of these gases being trapped is called the greenhouse effect, which is one of the leading causes of global warming (Lallanillia). All the gases are created differently and have different effects on the earth. As for some greenhouse gases can be in the atmosphere for a short amount of time, other gases can remain in the atmosphere for thousands of