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What are the causes of global warming
Impacts of global warming on the environment
Impacts of global warming on the environment
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Global warming is a phenomenon that is on going constantly in our world today. This phrase basically refers to the increase in the Earth’s temperature along with change in climate over a small period of time due to human influences and activities.
How does global warming work? The overall process it is actually quite simple. If you think about the Earth as a car you can wrap your mind around the concept. As the Sun’s warmth and rays enter a parked car with its windows rolled up, all the heat gets trapped and warms the car while the outside temperature is cooler. Similarly, due to human activities like burning fossil fuels and releasing greenhouse gasses into the atmosphere, the Sun’s heat enters the planet’s atmosphere and gets trapped,
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An example of drastic changes in temperature include all the ice ages we have had. There have been five major ice ages that we have confirmed in our history. The first one was between 2.4 and 2.1 billion years ago and is referred to as the Huronian ice age. The second ice ages which is referred to as the Cryogenian ice age, it was between 850 and 635 million years ago. The Andean-Saharan ice age took place between 460 and 430 million years ago, as our third ice age. The fourth ice age took place between 360 and 260 million year ago, being called the Karoo ice age. The final ice age , to many people’s surprise, is still going on ever since 2.6 million years ago and is called the Quaternary ice age. Aside from multiple ice ages, we have had periods showing similar characteristics like the ones in today’s global warming. An infamous period of heat between 950 and 1250 is referred to as the Medieval Warming Period. Due to possible changes in the ocean's circulation, increase in solar activity, or a downfall in volcanic activity, the Earth began to increase temperatures within a short period of time. Following this period was one known as the Little Ice Age between 1300 and 1870. Over the course of this period, North America and Europe experienced much colder winters than we do today. Throughout all of human history, the global climate has went up and down multiple times during multiple time periods, due …show more content…
First of all, as the water temperatures rise, coral bleaching becomes possible and when it becomes too hot, algae is released from the corals, making them fully white. Another consequence of global warming is an increase in droughts. When the temperature is increased for a period of time, the amount of water decreases as wind pressures do the opposite, causing droughts all over the world. Furthermore, when water vapor condenses due to the heat, the surrounding air warms as well, causing hurricanes. As the temperature rises so does the length and strength of the hurricanes. Sea level rising is a consequence that is caused by warmer oceans and the melting of land covered in ice, both primarily caused by global warming. The ocean and atmosphere work side by side and if one’s temperature rises so does the other’s. The ocean temperature continues to rise and the amount of water vapor in oceans increase too as a consequence of global warming. Last but not least, ocean acidification, is the final consequence of global warming in this list. As carbon dioxide levels rise in the atmosphere, pH levels reduce in the ocean, causing ocean acidification and death of fish along with
Global warming is a scientific, political, and controversial topic. Some believe it is catastrophic, a slow moving killer hiding in the shadows. Others do not even think twice about it as they race by in a Hummer. Global warming is the gradual increase of temperature throughout different climates. It is caused by the greenhouse gas effect in which greenhouse gases, like methane and carbon dioxide, reflect sunlight back and forth. This reflected ultraviolet light bounces between the earth and the ozone layer and becomes trapped, resulting in a gradual rise of temperature. Over time, the slow rise of temperature causes new climates throughout the globe. The article “What Megablazes Tell Us About the Fiery Future of Climate Change” by Tim Dickinson
Global warming affects the ocean water level because of the raising temperatures; it causes the icebergs to melt which adds more water in the ocean. This poses a threat to Hawaii and other islands because Hawaii is made up of islands, which are small and surrounded by water. This leaves us at risk for many things with the reef and the people.
Global warming may also result to an extreme weather apart from cold or heat extremes. For example, hurricane formation. Increase in sea level causes many floods in many places. Another feature of climate change is lightning. According to a study in 2014, a 50 percent increase in the number of lightning strikes in the United States is anticipated in 2100 if worldwide temperatures continue to rise.
Firstly, global warming is said to be caused by the high levels of carbon dioxide released into the atmosphere by humans. Smoke produced by factories, vehicular exhaust, and the burning of fossil fuels such as coal in power plants are the primary sources of carbon dioxide. The theory is that carbon dioxide being released into the Earth's atmosphere is steadily building up because it cannot escape into space. The theory as to why the carbon dioxide in the atmosphere actually causes the Earth's average temperature to rise is outlined as follows:
Global warming is the term used to describe a gradual increase in the average temperature of the Earth's atmosphere and its oceans, a change that is believed to be permanently changing the Earth's climate. While it changes the Earth’s climate it takes away different species that we depend on and some which other species depend on and also effect (in a bad way) the environment in which we live and can cause permanent damages to humans, animals, plant which will change the whole chain of ecosystem.
Global warming is a phenomenon and impact of climate change. An average upward change in global temperature over a period, a few decades, is the impact of climate change caused by human actions. The deforestation, use of fossil fuels, emissions, and the likes cause such environmental changes as rising sea levels, enhanced atmospheric temperatures, and extreme weather conditions. Whether human actions are responsible for global warming is a controversy doing the rounds. The greenhouse effect which refers to retaining of a part of the sun's radiation in the earth's lower atmosphere leading to increasing in the earth's temperature is the cause of global warming. Also, depletion of the ozone layer is a major source of global warming. However, human actions in burning ...
What exactly is global warming? Global warming is a great increase to the earth’s surface temperature. The Greenhouse effect is also referred to as global warming, which is energy radiated by the sun to convert into heat when it reaches earth. In addition, the causes of the green house effect are the certain gases in the atmosphere like water vapor, carbon dioxide, nitrous
Global warming is the increase of the average global temperature in the Earth 's atmosphere. Man-Made global warming has been a topic f controversial issue for many decades now. There are many theories as to why there has beem such a drastic change in the Earth 's atmosphere throughout the years. Global warming is indeed a product of humanities ' careless activities. The theories presented have ignited many debates amongst scientists and the increase in temperature has been the fuel that has kept them going on for so long. According to multiple scientists, humans are the ones responsible for the alarming change in the Earth 's atmospheric temperature. These scientists also fear that human activity will result in long term consequential problems
Global warming is a prominent symbol embodies. It is not only a scientific problem, it is one of the major political and economic issues are also facing the world today, and is closely related to all countries and the public. Global warming is definition as “an increase in the earth 's average atmospheric temperature that causes corresponding changes in climate, and that may result from the greenhouse effect.” in dictionary.com. In other words, it is because the amount of carbon dioxide and other greenhouse gases increase resulting in temperature.
... areas will get more precipitation and storms while others will get nothing and have serious droughts. The warming of a few degrees will cause glaciers to melt and sea ice to melt leading to a lot of damage. This damage would lead the levels of the oceans to rise and would cause damage to coastal cities and islands. This would cause serious problems for the different species living in the oceans and could some disease. Especially diseases caused by mosquitoes which love warm and humid climates. There are many ideas and solutions to stop global warming. It is very difficult to reverse this process once it is started. If we want to live like we are now and have been we have to stop this process. Emissions of fossil fuels by humans is a big factor of global warming. The reason being is because of the amount of carbon dioxide released from the fossil fuels. Controlling these emissions is one huge step of many steps required to slow down and stop global warming. If global warming is not controlled, all the problems that have been mentioned, along with other problems will disrupt the living patterns in which we live.
Even if the reason of climate change may be the natural cycles, we humans are the major determinant to it. The huge amount of greenhouse gases in the atmosphere is causing the climate change and this amount is rising day by day, as a result of our actions. Greenhouse gases, like carbon dioxide, generally absorb and emit the heat in the atmosphere to keep the Earth’s climate habitable. However, as we continue to burn fossil fuels, this habitable Earth’s temperature will blow up, and as a result, some species will die out due to various problems which are caused by climate change. According to EPA (Environmental Protection Agency), the most obvious consequence of climate change is the rising sea levels, which will cause some seashore habitats to become unavailable to live to its species.
There needs to be a reduction if not extinction with the increasing amounts of carbon dioxide, methane, chlorofluorocarbons (CFCs), hydrofluorocarbons (HFCs), per-fluorocarbons (PFCs) and nitrous oxide into the atmosphere because it is directly affecting global warming. The combustion of fossil fuels and greenhouse emissions mainly contribute to the increase of these gases. The longer we go without solving this global problem the more conflicts we will have in the future. Although global warming does make the earth warmer there is more to worry about than heating to death. Major concerns revolve around effects on agriculture, water resources, ocean level and coastal regions, and disease. Many scientists and experimenters still disagree with global warming using excuses such as ‘primitive’ climate models, which predict global warming trends, can not accurately simulate the Earth; it is too difficult because there are thousands of variables to consider. With the issue of global warming alternative sources of energy are looked for. “Data indicates that hydrogen is [the] only suitable future fuel.” (Williams, 102). Many scientists agree, but how long will it take for us to get there?
These changes are becoming more prevalent in our world today, in the past 150 years. Scientists have been analyzing the causes and effects of the greenhouse effect and many other issues that global warming has presented. As John Houghton states in his book, Global Warming the Complete Briefing, on page 2, “The 1980s and 1990s were unusually warm. Globally speaking, the decades have been the warmest since accurate records began somewhat over a hundred years ago and these unusually warm years are continuing into the twenty-first century.” There are countless records that show that our world as a whole is getting warmer, and the facts cannot be disputed.
Global Warming is a condition caused by greenhouse gases and human activities. The increased concentration of greenhouse gases due to activities such as deforestation and fossil fuel burning is causing the Earth’s atmosphere and oceans to warm up. As a result of this, global warming has some serious effects in the shape of extreme weather, species extinctions, and rising sea levels. These effects can contribute to the changes that are taking place all over the world, most of which are dangerous enough to pose a threat to the survival of life on Earth in the future.
The common definition of global warming is a gradual increase in the overall temperature of the earth’s atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide and other pollutants (Global warming, Wikipedia). Moreover, the effects of global warming will bring ecological and social changes. Because there is no exact way to predict the effects of global warming, it is almost impossible to say how strong global warming will affect life in the future.