Geologic evidence from the last decades, however, shows that there have also been rather abrupt periods of climate change spanning anywhere from years to decades. Abrupt climate changes can occur when variable that change gradually push the Earth's system across some limit of instability. One of the known examples of this rapid change is the Younger Drays, which was a sudden interruption gradual global warming that began 12, years ago after the end of the last glaciations. Climate' variation occurs as a response to "climate forcing," which are factors that cause either a warming or cooling of the atmosphere.
Over most of the Earth's history forcing have been entirely natural, caused by continental drift, variability in solar radiation, chain in the Earth's orbit, and volcanic emissions. However, since the industrial revolution, human activity has had a large impact on the global climate system, increasing the amount of greenhouse gases in the atmosphere, trapping heat and contributing to global warming.
While this may seem like a small change, global temperatures are generally quite stable. The difference between today global temperature and the average global temperature of the last ice age is only about 5t. However, over the last century we have witnessed a decrease of nearly 10 percentage snow cover and a percentage decrease in spring and summer sea-ice in the northern hemisphere] Other observed changes that have been linked to climate include longer growing seasons, increases in rainfall and rainfall intensity in the northern hemisphere, and shifts in when ice freezes and breaks up on rivers and lakes.
The IPCC has projected that global average surface temperatures could increase 1. Daily maximum and minimum temperatures will increase as well as the number of hot days-, with less cold and frosty days. The global average precipitation and evaporation is also expected to increase by about one to nine percent.
The precipitation changes are expected to vary from region to region, with increases over the northern mid to high latitudes and in Antarctica during the winter. The intensity of extreme weather events is also likely to increase, with greater extremes of both flooding and drought.
Despite all of the information and evidence that scientists have uncovered related to changes in climate, there continues to be uncertainty around the causes of climate change and its potential impacts. These uncertainties stem primarily from the science itself as well as from the future of human behaviour, especially as it relates to the amount of natural climatic variability and future greenhouse gas emissions.
Many of these factors will depend on human behaviour, which may be influenced by effects on health and the quality of life, technological advances, and policy changes. Therefore, when dealing with climate change, scientists need to make a number of assumptions with an ever increasing number of models that focus on different parts of the climate system; all of which makes pinpointing exactly what to expect in terms of future climate change that much more difficult.
However, climate involves the entire climatic systems including hydrosphere, lithosphere, [biosphere, and atmosphere and cry sphere. It affects geomorphologic process, soil formation process, plant growth and development. In exchange, man also exerts influence on climate through various activities and is consistently changing the atmospheric conditions. It goes without saying that man is the worst enemy and polluter of environment.
Though, natural environment is essential for the very existence of man and is the primary source of his life and social production. The energy balance of our planet is also affected by changes in the transparency of the atmosphere as a result of man's production activities. With all that in mind, writing a compelling global warming and climate change essay can be somewhat difficult.
We ask ourselves - How am I supposed to write my essay on global warming and make it both inspiring and enlightening? Questions like these might keep going through your mind without end, until the point when you have to submit your essay but haven't written anything.
You should calm yourself down and remember that these complications arise for any subject, they are not limited to global warming essay. Quite the contrary, there are several most popular kinds of global warming essay with different goals, approaches, and requirements. No matter which kind of global warming and climate change essay you are to submit, you must be extra cautious about the sources that you choose to reference. It is never a good idea to pick sources for your academic paper randomly, without putting any effort into the selection process, but when you write about climate change, it is entirely unacceptable.
We have already discussed how popular global warming is a topic for debate in the media, even in those with less credibility and more scandal value to them. Those who are more or less familiar with this subject know that there are tons of new discoveries being made all the time and that the conclusions that they lead to are often polar-opposite. Sometimes, the opponents even get too emotional and call each other names. Just like with any other things anyone has ever done - it may seem complicated only when you lack experience and have a very vague idea of what exactly you should do.
In reality, telling a trustworthy source from the one that you shouldn't use in your research is not all that complicated. Many students tend to begin their research with Wikipedia, so let us look at it critically and see what we can get out of it. Your professors have most likely advised you against using Wikipedia for research or at least again referring to it in your bibliography. This is because of the way Wikipedia is organized. It is no secret that any user can create and edit Wikipedia articles, so the system does not ensure or guarantee unbiased information.
This is why Wikipedia cannot be considered a reliable source itself. However, the reference sections of Wikipedia articles are always an excellent place to look for references for your own essay. This is an example of a method to look for sources.
But regardless of where you find a potential source for your climate change research, you should evaluate them by the following two criteria before you even begin to read them:. We realize that the criteria that we have given will exclude almost every website on the Internet. Here, you may be asking a legit question - With all these restrictions, how should I write my essay with trustworthy works cited?
Well, we have mentioned that credible information can come from sources that apply effort to remain credible - namely, the reputable media both specialized and non-specialized , like National Geographic, Nature, Science Daily, BBC, Huffington Post, The Economist, The Telegraph, Washington Post, etc.
Besides, no climate change essay will be worth anybody's attention without relying on some objective statistical and analytical data from undoubtedly unbiased sources.
Global Warming and Climate Change Essay 4 ( words) Climatic changes have become more prominent now because of the global warming which is a global concern. Both are hot issues of the current time and it is the time to analyse causes and prevention methods to prevent the global warming.
This essay has been submitted by a student. This is not an example of the work written by our professional essay writers. Keywords: climate change, global warming, greenhouse gases. Climate change in the world can be caused by various activities. When climate change occurs; temperatures can increase a dramatically.
One of the known examples of this rapid change is the Younger Drays, which was a sudden interruption gradual global warming that began 12, years ago after the end of the last glaciations. The sudden return to a cold global climate lasted for 1, years and was followed by a very rapid warming of about 8°C over the course of 10 years. How To Conduct A Research On Your Global Warming And Climate Change Essay. No matter which kind of global warming and climate change essay you are to submit, you must be extra cautious about the sources that you choose to reference.
Global warming and climate change threaten the very existence of mankind; understanding the affects of each and implementing measures to save this planet are of dire urgency. Global warming has become a threat to everything and everyone on Earth. Global warming . Global Warming Information Essay. Global Warming Information What is Global Warming? Global warming refers to an average increase in the Earth's temperature, which in turn causes changes in climate.